670606690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{12253}}^1$

素因数の和:12694

約数の個数: 32

約数和(自身を含む): 1303139376

約数和(自身を除く): 632532686

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 421, 842, 2105, 4210, 5473, 10946, 12253, 24506, 27365, 54730, 61265, 122530, 159289, 318578, 796445, 1592890, 5158513, 10317026, 25792565, 51585130, 67060669, 134121338, 335303345, 670606690]

約数ペア:

[(1, 670606690), (2, 335303345), (5, 134121338), (10, 67060669), (13, 51585130), (26, 25792565), (65, 10317026), (130, 5158513), (421, 1592890), (842, 796445), (2105, 318578), (4210, 159289), (5473, 122530), (10946, 61265), (12253, 54730), (24506, 27365)]