645291392

素因数分解:

$2^7\times {\mathrm{1571}}^1\times {\mathrm{3209}}^1$

素因数の和:4794

約数の個数: 32

約数和(自身を含む): 1286760600

約数和(自身を除く): 641469208

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1571, 3142, 3209, 6284, 6418, 12568, 12836, 25136, 25672, 50272, 51344, 100544, 102688, 201088, 205376, 410752, 5041339, 10082678, 20165356, 40330712, 80661424, 161322848, 322645696, 645291392]

約数ペア:

[(1, 645291392), (2, 322645696), (4, 161322848), (8, 80661424), (16, 40330712), (32, 20165356), (64, 10082678), (128, 5041339), (1571, 410752), (3142, 205376), (3209, 201088), (6284, 102688), (6418, 100544), (12568, 51344), (12836, 50272), (25136, 25672)]