639508736

素因数分解:

$2^8\times {\mathrm{929}}^1\times {\mathrm{2689}}^1$

素因数の和:3634

約数の個数: 36

約数和(自身を含む): 1278368700

約数和(自身を除く): 638859964

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 929, 1858, 2689, 3716, 5378, 7432, 10756, 14864, 21512, 29728, 43024, 59456, 86048, 118912, 172096, 237824, 344192, 688384, 2498081, 4996162, 9992324, 19984648, 39969296, 79938592, 159877184, 319754368, 639508736]

約数ペア:

[(1, 639508736), (2, 319754368), (4, 159877184), (8, 79938592), (16, 39969296), (32, 19984648), (64, 9992324), (128, 4996162), (256, 2498081), (929, 688384), (1858, 344192), (2689, 237824), (3716, 172096), (5378, 118912), (7432, 86048), (10756, 59456), (14864, 43024), (21512, 29728)]