87787970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6907}}^1$

素因数の和:6986

約数の個数: 32

約数和(自身を含む): 167118336

約数和(自身を除く): 79330366

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 2542, 6355, 6907, 12710, 13814, 34535, 69070, 214117, 283187, 428234, 566374, 1070585, 1415935, 2141170, 2831870, 8778797, 17557594, 43893985, 87787970]

約数ペア:

[(1, 87787970), (2, 43893985), (5, 17557594), (10, 8778797), (31, 2831870), (41, 2141170), (62, 1415935), (82, 1070585), (155, 566374), (205, 428234), (310, 283187), (410, 214117), (1271, 69070), (2542, 34535), (6355, 13814), (6907, 12710)]