402051245

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{18661}}^1$

素因数の和:18836

約数の個数: 16

約数和(自身を含む): 501634560

約数和(自身を除く): 99583315

約数列:

[1, 5, 31, 139, 155, 695, 4309, 18661, 21545, 93305, 578491, 2593879, 2892455, 12969395, 80410249, 402051245]

約数ペア:

[(1, 402051245), (5, 80410249), (31, 12969395), (139, 2892455), (155, 2593879), (695, 578491), (4309, 93305), (18661, 21545)]