206821904

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{219091}}^1$

素因数の和:219158

約数の個数: 20

約数和(自身を含む): 407511120

約数和(自身を除く): 200689216

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 219091, 438182, 876364, 1752728, 3505456, 12926369, 25852738, 51705476, 103410952, 206821904]

約数ペア:

[(1, 206821904), (2, 103410952), (4, 51705476), (8, 25852738), (16, 12926369), (59, 3505456), (118, 1752728), (236, 876364), (472, 438182), (944, 219091)]