16601180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 37267776

約数和(自身を除く): 20666596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 311, 314, 340, 622, 628, 785, 1244, 1555, 1570, 2669, 3110, 3140, 5287, 5338, 6220, 10574, 10676, 13345, 21148, 26435, 26690, 48827, 52870, 53380, 97654, 105740, 195308, 244135, 488270, 830059, 976540, 1660118, 3320236, 4150295, 8300590, 16601180]

約数ペア:

[(1, 16601180), (2, 8300590), (4, 4150295), (5, 3320236), (10, 1660118), (17, 976540), (20, 830059), (34, 488270), (68, 244135), (85, 195308), (157, 105740), (170, 97654), (311, 53380), (314, 52870), (340, 48827), (622, 26690), (628, 26435), (785, 21148), (1244, 13345), (1555, 10676), (1570, 10574), (2669, 6220), (3110, 5338), (3140, 5287)]