64490816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{77513}}^1$

素因数の和:77538

約数の個数: 28

約数和(自身を含む): 137819892

約数和(自身を除く): 73329076

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 77513, 155026, 310052, 620104, 1007669, 1240208, 2015338, 2480416, 4030676, 4960832, 8061352, 16122704, 32245408, 64490816]

約数ペア:

[(1, 64490816), (2, 32245408), (4, 16122704), (8, 8061352), (13, 4960832), (16, 4030676), (26, 2480416), (32, 2015338), (52, 1240208), (64, 1007669), (104, 620104), (208, 310052), (416, 155026), (832, 77513)]