31919836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 63433440

約数和(自身を除く): 31513604

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 61, 116, 122, 244, 347, 377, 694, 754, 793, 1388, 1508, 1586, 1769, 3172, 3538, 4511, 7076, 9022, 10063, 18044, 20126, 21167, 22997, 40252, 42334, 45994, 84668, 91988, 130819, 261638, 275171, 523276, 550342, 613843, 1100684, 1227686, 2455372, 7979959, 15959918, 31919836]

約数ペア:

[(1, 31919836), (2, 15959918), (4, 7979959), (13, 2455372), (26, 1227686), (29, 1100684), (52, 613843), (58, 550342), (61, 523276), (116, 275171), (122, 261638), (244, 130819), (347, 91988), (377, 84668), (694, 45994), (754, 42334), (793, 40252), (1388, 22997), (1508, 21167), (1586, 20126), (1769, 18044), (3172, 10063), (3538, 9022), (4511, 7076)]