209212208

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{3499}}^1$

素因数の和:3645

約数の個数: 40

約数和(自身を含む): 420546000

約数和(自身を除く): 211333792

約数列:

[1, 2, 4, 8, 16, 37, 74, 101, 148, 202, 296, 404, 592, 808, 1616, 3499, 3737, 6998, 7474, 13996, 14948, 27992, 29896, 55984, 59792, 129463, 258926, 353399, 517852, 706798, 1035704, 1413596, 2071408, 2827192, 5654384, 13075763, 26151526, 52303052, 104606104, 209212208]

約数ペア:

[(1, 209212208), (2, 104606104), (4, 52303052), (8, 26151526), (16, 13075763), (37, 5654384), (74, 2827192), (101, 2071408), (148, 1413596), (202, 1035704), (296, 706798), (404, 517852), (592, 353399), (808, 258926), (1616, 129463), (3499, 59792), (3737, 55984), (6998, 29896), (7474, 27992), (13996, 14948)]