31247684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 61446000

約数和(自身を除く): 30198316

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 109, 148, 149, 218, 298, 436, 481, 596, 962, 1417, 1924, 1937, 2834, 3874, 4033, 5513, 5668, 7748, 8066, 11026, 16132, 16241, 22052, 32482, 52429, 64964, 71669, 104858, 143338, 209716, 211133, 286676, 422266, 600917, 844532, 1201834, 2403668, 7811921, 15623842, 31247684]

約数ペア:

[(1, 31247684), (2, 15623842), (4, 7811921), (13, 2403668), (26, 1201834), (37, 844532), (52, 600917), (74, 422266), (109, 286676), (148, 211133), (149, 209716), (218, 143338), (298, 104858), (436, 71669), (481, 64964), (596, 52429), (962, 32482), (1417, 22052), (1924, 16241), (1937, 16132), (2834, 11026), (3874, 8066), (4033, 7748), (5513, 5668)]