2638863355

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1\times {\mathrm{691}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 3397996800

約数和(自身を除く): 759133445

約数列:

[1, 5, 19, 61, 95, 305, 659, 691, 1159, 3295, 3455, 5795, 12521, 13129, 40199, 42151, 62605, 65645, 200995, 210755, 455369, 763781, 800869, 2276845, 3818905, 4004345, 8652011, 27777509, 43260055, 138887545, 527772671, 2638863355]

約数ペア:

[(1, 2638863355), (5, 527772671), (19, 138887545), (61, 43260055), (95, 27777509), (305, 8652011), (659, 4004345), (691, 3818905), (1159, 2276845), (3295, 800869), (3455, 763781), (5795, 455369), (12521, 210755), (13129, 200995), (40199, 65645), (42151, 62605)]