389751505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{907}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 550988928

約数和(自身を除く): 161237423

約数列:

[1, 5, 11, 13, 55, 65, 143, 601, 715, 907, 3005, 4535, 6611, 7813, 9977, 11791, 33055, 39065, 49885, 58955, 85943, 129701, 429715, 545107, 648505, 2725535, 5996177, 7086391, 29980885, 35431955, 77950301, 389751505]

約数ペア:

[(1, 389751505), (5, 77950301), (11, 35431955), (13, 29980885), (55, 7086391), (65, 5996177), (143, 2725535), (601, 648505), (715, 545107), (907, 429715), (3005, 129701), (4535, 85943), (6611, 58955), (7813, 49885), (9977, 39065), (11791, 33055)]