643136

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:798

約数の個数: 28

約数和(自身を含む): 1376172

約数和(自身を除く): 733036

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 773, 832, 1546, 3092, 6184, 10049, 12368, 20098, 24736, 40196, 49472, 80392, 160784, 321568, 643136]

約数ペア:

[(1, 643136), (2, 321568), (4, 160784), (8, 80392), (13, 49472), (16, 40196), (26, 24736), (32, 20098), (52, 12368), (64, 10049), (104, 6184), (208, 3092), (416, 1546), (773, 832)]