205291408

素因数分解:

$2^4\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{1489}}^1$

素因数の和:2735

約数の個数: 40

約数和(自身を含む): 455248640

約数和(自身を除く): 249957232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1231, 1489, 2462, 2978, 4924, 5956, 8617, 9848, 10423, 11912, 17234, 19696, 20846, 23824, 34468, 41692, 68936, 83384, 137872, 166768, 1832959, 3665918, 7331836, 12830713, 14663672, 25661426, 29327344, 51322852, 102645704, 205291408]

約数ペア:

[(1, 205291408), (2, 102645704), (4, 51322852), (7, 29327344), (8, 25661426), (14, 14663672), (16, 12830713), (28, 7331836), (56, 3665918), (112, 1832959), (1231, 166768), (1489, 137872), (2462, 83384), (2978, 68936), (4924, 41692), (5956, 34468), (8617, 23824), (9848, 20846), (10423, 19696), (11912, 17234)]