261672064

素因数分解:

$2^7\times {\mathrm{307}}^1\times {\mathrm{6659}}^1$

素因数の和:6980

約数の個数: 32

約数和(自身を含む): 523076400

約数和(自身を除く): 261404336

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 307, 614, 1228, 2456, 4912, 6659, 9824, 13318, 19648, 26636, 39296, 53272, 106544, 213088, 426176, 852352, 2044313, 4088626, 8177252, 16354504, 32709008, 65418016, 130836032, 261672064]

約数ペア:

[(1, 261672064), (2, 130836032), (4, 65418016), (8, 32709008), (16, 16354504), (32, 8177252), (64, 4088626), (128, 2044313), (307, 852352), (614, 426176), (1228, 213088), (2456, 106544), (4912, 53272), (6659, 39296), (9824, 26636), (13318, 19648)]