491750402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 895442688

約数和(自身を除く): 403692286

約数列:

[1, 2, 11, 13, 22, 26, 61, 71, 122, 142, 143, 286, 397, 671, 781, 793, 794, 923, 1342, 1562, 1586, 1846, 4331, 4367, 5161, 8662, 8723, 8734, 10153, 10322, 17446, 20306, 24217, 28187, 47641, 48434, 56303, 56374, 56771, 95282, 112606, 113542, 266387, 310057, 314821, 366431, 532774, 619333, 620114, 629642, 732862, 1238666, 1719407, 3438814, 3463031, 4030741, 6926062, 8061482, 18913477, 22352291, 37826954, 44704582, 245875201, 491750402]

約数ペア:

[(1, 491750402), (2, 245875201), (11, 44704582), (13, 37826954), (22, 22352291), (26, 18913477), (61, 8061482), (71, 6926062), (122, 4030741), (142, 3463031), (143, 3438814), (286, 1719407), (397, 1238666), (671, 732862), (781, 629642), (793, 620114), (794, 619333), (923, 532774), (1342, 366431), (1562, 314821), (1586, 310057), (1846, 266387), (4331, 113542), (4367, 112606), (5161, 95282), (8662, 56771), (8723, 56374), (8734, 56303), (10153, 48434), (10322, 47641), (17446, 28187), (20306, 24217)]