31680272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{683}}^1$

素因数の和:927

約数の個数: 40

約数和(自身を含む): 66495744

約数和(自身を除く): 34815472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 223, 446, 683, 892, 1366, 1784, 2732, 2899, 3568, 5464, 5798, 8879, 10928, 11596, 17758, 23192, 35516, 46384, 71032, 142064, 152309, 304618, 609236, 1218472, 1980017, 2436944, 3960034, 7920068, 15840136, 31680272]

約数ペア:

[(1, 31680272), (2, 15840136), (4, 7920068), (8, 3960034), (13, 2436944), (16, 1980017), (26, 1218472), (52, 609236), (104, 304618), (208, 152309), (223, 142064), (446, 71032), (683, 46384), (892, 35516), (1366, 23192), (1784, 17758), (2732, 11596), (2899, 10928), (3568, 8879), (5464, 5798)]