173888780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{668803}}^1$

素因数の和:668825

約数の個数: 24

約数和(自身を含む): 393256752

約数和(自身を除く): 219367972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 668803, 1337606, 2675212, 3344015, 6688030, 8694439, 13376060, 17388878, 34777756, 43472195, 86944390, 173888780]

約数ペア:

[(1, 173888780), (2, 86944390), (4, 43472195), (5, 34777756), (10, 17388878), (13, 13376060), (20, 8694439), (26, 6688030), (52, 3344015), (65, 2675212), (130, 1337606), (260, 668803)]