85478718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 123540162

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 31, 39, 46, 53, 58, 62, 69, 78, 87, 93, 106, 138, 159, 174, 186, 299, 318, 377, 403, 598, 667, 689, 713, 754, 806, 897, 899, 1131, 1209, 1219, 1334, 1378, 1426, 1537, 1643, 1794, 1798, 2001, 2067, 2139, 2262, 2418, 2438, 2697, 3074, 3286, 3657, 4002, 4134, 4278, 4611, 4929, 5394, 7314, 8671, 9222, 9269, 9858, 11687, 15847, 17342, 18538, 19981, 20677, 21359, 23374, 26013, 27807, 31694, 35061, 35351, 37789, 39962, 41354, 42718, 47541, 47647, 52026, 55614, 59943, 62031, 64077, 70122, 70702, 75578, 95082, 95294, 106053, 113367, 119886, 124062, 128154, 142941, 212106, 226734, 268801, 285882, 459563, 491257, 537602, 619411, 806403, 919126, 982514, 1095881, 1238822, 1378689, 1473771, 1612806, 1858233, 2191762, 2757378, 2947542, 3287643, 3716466, 6575286, 14246453, 28492906, 42739359, 85478718]

約数ペア:

[(1, 85478718), (2, 42739359), (3, 28492906), (6, 14246453), (13, 6575286), (23, 3716466), (26, 3287643), (29, 2947542), (31, 2757378), (39, 2191762), (46, 1858233), (53, 1612806), (58, 1473771), (62, 1378689), (69, 1238822), (78, 1095881), (87, 982514), (93, 919126), (106, 806403), (138, 619411), (159, 537602), (174, 491257), (186, 459563), (299, 285882), (318, 268801), (377, 226734), (403, 212106), (598, 142941), (667, 128154), (689, 124062), (713, 119886), (754, 113367), (806, 106053), (897, 95294), (899, 95082), (1131, 75578), (1209, 70702), (1219, 70122), (1334, 64077), (1378, 62031), (1426, 59943), (1537, 55614), (1643, 52026), (1794, 47647), (1798, 47541), (2001, 42718), (2067, 41354), (2139, 39962), (2262, 37789), (2418, 35351), (2438, 35061), (2697, 31694), (3074, 27807), (3286, 26013), (3657, 23374), (4002, 21359), (4134, 20677), (4278, 19981), (4611, 18538), (4929, 17342), (5394, 15847), (7314, 11687), (8671, 9858), (9222, 9269)]