1681887788

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 3537784320

約数和(自身を除く): 1855896532

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 271, 322, 419, 529, 542, 644, 838, 1058, 1084, 1676, 1897, 2116, 2933, 3703, 3794, 5866, 6233, 7406, 7588, 9637, 11732, 12466, 14812, 19274, 24932, 38548, 43631, 67459, 87262, 113549, 134918, 143359, 174524, 221651, 227098, 269836, 286718, 443302, 454196, 573436, 794843, 886604, 1003513, 1551557, 1589686, 2007026, 2611627, 3103114, 3179372, 4014052, 5223254, 6206228, 10446508, 18281389, 36562778, 60067421, 73125556, 120134842, 240269684, 420471947, 840943894, 1681887788]

約数ペア:

[(1, 1681887788), (2, 840943894), (4, 420471947), (7, 240269684), (14, 120134842), (23, 73125556), (28, 60067421), (46, 36562778), (92, 18281389), (161, 10446508), (271, 6206228), (322, 5223254), (419, 4014052), (529, 3179372), (542, 3103114), (644, 2611627), (838, 2007026), (1058, 1589686), (1084, 1551557), (1676, 1003513), (1897, 886604), (2116, 794843), (2933, 573436), (3703, 454196), (3794, 443302), (5866, 286718), (6233, 269836), (7406, 227098), (7588, 221651), (9637, 174524), (11732, 143359), (12466, 134918), (14812, 113549), (19274, 87262), (24932, 67459), (38548, 43631)]