198305172

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 180

約数和(自身を含む): 590172660

約数和(自身を除く): 391867488

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 89, 92, 108, 117, 138, 156, 162, 178, 207, 234, 267, 276, 299, 324, 351, 356, 414, 468, 529, 534, 598, 621, 702, 801, 828, 897, 1053, 1058, 1068, 1157, 1196, 1242, 1404, 1587, 1602, 1794, 1863, 2047, 2106, 2116, 2314, 2403, 2484, 2691, 3174, 3204, 3471, 3588, 3726, 4094, 4212, 4628, 4761, 4806, 5382, 6141, 6348, 6877, 6942, 7209, 7452, 8073, 8188, 9522, 9612, 10413, 10764, 12282, 13754, 13884, 14283, 14418, 16146, 18423, 19044, 20631, 20826, 24219, 24564, 26611, 27508, 28566, 28836, 31239, 32292, 36846, 41262, 41652, 42849, 47081, 48438, 53222, 55269, 57132, 61893, 62478, 73692, 79833, 82524, 85698, 93717, 94162, 96876, 106444, 110538, 123786, 124956, 141243, 159666, 165807, 171396, 185679, 187434, 188324, 221076, 239499, 247572, 282486, 319332, 331614, 371358, 374868, 423729, 478998, 557037, 564972, 612053, 663228, 718497, 742716, 847458, 957996, 1114074, 1224106, 1271187, 1436994, 1694916, 1836159, 2155491, 2228148, 2448212, 2542374, 2873988, 3672318, 3813561, 4310982, 5084748, 5508477, 7344636, 7627122, 8621964, 11016954, 15254244, 16525431, 22033908, 33050862, 49576293, 66101724, 99152586, 198305172]

約数ペア:

[(1, 198305172), (2, 99152586), (3, 66101724), (4, 49576293), (6, 33050862), (9, 22033908), (12, 16525431), (13, 15254244), (18, 11016954), (23, 8621964), (26, 7627122), (27, 7344636), (36, 5508477), (39, 5084748), (46, 4310982), (52, 3813561), (54, 3672318), (69, 2873988), (78, 2542374), (81, 2448212), (89, 2228148), (92, 2155491), (108, 1836159), (117, 1694916), (138, 1436994), (156, 1271187), (162, 1224106), (178, 1114074), (207, 957996), (234, 847458), (267, 742716), (276, 718497), (299, 663228), (324, 612053), (351, 564972), (356, 557037), (414, 478998), (468, 423729), (529, 374868), (534, 371358), (598, 331614), (621, 319332), (702, 282486), (801, 247572), (828, 239499), (897, 221076), (1053, 188324), (1058, 187434), (1068, 185679), (1157, 171396), (1196, 165807), (1242, 159666), (1404, 141243), (1587, 124956), (1602, 123786), (1794, 110538), (1863, 106444), (2047, 96876), (2106, 94162), (2116, 93717), (2314, 85698), (2403, 82524), (2484, 79833), (2691, 73692), (3174, 62478), (3204, 61893), (3471, 57132), (3588, 55269), (3726, 53222), (4094, 48438), (4212, 47081), (4628, 42849), (4761, 41652), (4806, 41262), (5382, 36846), (6141, 32292), (6348, 31239), (6877, 28836), (6942, 28566), (7209, 27508), (7452, 26611), (8073, 24564), (8188, 24219), (9522, 20826), (9612, 20631), (10413, 19044), (10764, 18423), (12282, 16146), (13754, 14418), (13884, 14283)]