818341472

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 1891784160

約数和(自身を除く): 1073442688

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 62, 89, 92, 104, 124, 178, 184, 208, 248, 299, 356, 368, 403, 416, 496, 598, 712, 713, 736, 806, 961, 992, 1157, 1196, 1424, 1426, 1612, 1922, 2047, 2314, 2392, 2759, 2848, 2852, 3224, 3844, 4094, 4628, 4784, 5518, 5704, 6448, 7688, 8188, 9256, 9269, 9568, 11036, 11408, 12493, 12896, 15376, 16376, 18512, 18538, 22072, 22103, 22816, 24986, 26611, 30752, 32752, 35867, 37024, 37076, 44144, 44206, 49972, 53222, 63457, 65504, 71734, 74152, 85529, 88288, 88412, 99944, 106444, 126914, 143468, 148304, 171058, 176824, 199888, 212888, 253828, 286936, 287339, 296608, 342116, 353648, 399776, 425776, 507656, 573872, 574678, 684232, 707296, 824941, 851552, 1015312, 1111877, 1147744, 1149356, 1368464, 1649882, 1967167, 2030624, 2223754, 2298712, 2736928, 3299764, 3934334, 4447508, 4597424, 6599528, 7868668, 8895016, 9194848, 13199056, 15737336, 17790032, 25573171, 26398112, 31474672, 35580064, 51146342, 62949344, 102292684, 204585368, 409170736, 818341472]

約数ペア:

[(1, 818341472), (2, 409170736), (4, 204585368), (8, 102292684), (13, 62949344), (16, 51146342), (23, 35580064), (26, 31474672), (31, 26398112), (32, 25573171), (46, 17790032), (52, 15737336), (62, 13199056), (89, 9194848), (92, 8895016), (104, 7868668), (124, 6599528), (178, 4597424), (184, 4447508), (208, 3934334), (248, 3299764), (299, 2736928), (356, 2298712), (368, 2223754), (403, 2030624), (416, 1967167), (496, 1649882), (598, 1368464), (712, 1149356), (713, 1147744), (736, 1111877), (806, 1015312), (961, 851552), (992, 824941), (1157, 707296), (1196, 684232), (1424, 574678), (1426, 573872), (1612, 507656), (1922, 425776), (2047, 399776), (2314, 353648), (2392, 342116), (2759, 296608), (2848, 287339), (2852, 286936), (3224, 253828), (3844, 212888), (4094, 199888), (4628, 176824), (4784, 171058), (5518, 148304), (5704, 143468), (6448, 126914), (7688, 106444), (8188, 99944), (9256, 88412), (9269, 88288), (9568, 85529), (11036, 74152), (11408, 71734), (12493, 65504), (12896, 63457), (15376, 53222), (16376, 49972), (18512, 44206), (18538, 44144), (22072, 37076), (22103, 37024), (22816, 35867), (24986, 32752), (26611, 30752)]