669664

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1258

約数の個数: 24

約数和(自身を含む): 1397088

約数和(自身を除く): 727424

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 1231, 2462, 4924, 9848, 19696, 20927, 39392, 41854, 83708, 167416, 334832, 669664]

約数ペア:

[(1, 669664), (2, 334832), (4, 167416), (8, 83708), (16, 41854), (17, 39392), (32, 20927), (34, 19696), (68, 9848), (136, 4924), (272, 2462), (544, 1231)]