164865220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{634097}}^1$

素因数の和:634119

約数の個数: 24

約数和(自身を含む): 372849624

約数和(自身を除く): 207984404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 634097, 1268194, 2536388, 3170485, 6340970, 8243261, 12681940, 16486522, 32973044, 41216305, 82432610, 164865220]

約数ペア:

[(1, 164865220), (2, 82432610), (4, 41216305), (5, 32973044), (10, 16486522), (13, 12681940), (20, 8243261), (26, 6340970), (52, 3170485), (65, 2536388), (130, 1268194), (260, 634097)]