77428130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1223}}^1$

素因数の和:1730

約数の個数: 32

約数和(自身を含む): 150522624

約数和(自身を除く): 73094494

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 974, 1223, 2435, 2446, 4870, 6115, 6331, 12230, 12662, 15899, 31655, 31798, 63310, 79495, 158990, 595601, 1191202, 2978005, 5956010, 7742813, 15485626, 38714065, 77428130]

約数ペア:

[(1, 77428130), (2, 38714065), (5, 15485626), (10, 7742813), (13, 5956010), (26, 2978005), (65, 1191202), (130, 595601), (487, 158990), (974, 79495), (1223, 63310), (2435, 31798), (2446, 31655), (4870, 15899), (6115, 12662), (6331, 12230)]