64077572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20201}}^1$

素因数の和:20279

約数の個数: 24

約数和(自身を含む): 122747352

約数和(自身を除く): 58669780

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 20201, 40402, 80804, 262613, 525226, 1050452, 1232261, 2464522, 4929044, 16019393, 32038786, 64077572]

約数ペア:

[(1, 64077572), (2, 32038786), (4, 16019393), (13, 4929044), (26, 2464522), (52, 1232261), (61, 1050452), (122, 525226), (244, 262613), (793, 80804), (1586, 40402), (3172, 20201)]