81591656

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{1193}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 156461760

約数和(自身を除く): 74870104

約数列:

[1, 2, 4, 8, 83, 103, 166, 206, 332, 412, 664, 824, 1193, 2386, 4772, 8549, 9544, 17098, 34196, 68392, 99019, 122879, 198038, 245758, 396076, 491516, 792152, 983032, 10198957, 20397914, 40795828, 81591656]

約数ペア:

[(1, 81591656), (2, 40795828), (4, 20397914), (8, 10198957), (83, 983032), (103, 792152), (166, 491516), (206, 396076), (332, 245758), (412, 198038), (664, 122879), (824, 99019), (1193, 68392), (2386, 34196), (4772, 17098), (8549, 9544)]