128981632

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{77513}}^1$

素因数の和:77540

約数の個数: 32

約数和(自身を含む): 276724980

約数和(自身を除く): 147743348

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 77513, 155026, 310052, 620104, 1007669, 1240208, 2015338, 2480416, 4030676, 4960832, 8061352, 9921664, 16122704, 32245408, 64490816, 128981632]

約数ペア:

[(1, 128981632), (2, 64490816), (4, 32245408), (8, 16122704), (13, 9921664), (16, 8061352), (26, 4960832), (32, 4030676), (52, 2480416), (64, 2015338), (104, 1240208), (128, 1007669), (208, 620104), (416, 310052), (832, 155026), (1664, 77513)]