205509904

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{191707}}^1$

素因数の和:191782

約数の個数: 20

約数和(自身を含む): 404120464

約数和(自身を除く): 198610560

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 191707, 383414, 766828, 1533656, 3067312, 12844369, 25688738, 51377476, 102754952, 205509904]

約数ペア:

[(1, 205509904), (2, 102754952), (4, 51377476), (8, 25688738), (16, 12844369), (67, 3067312), (134, 1533656), (268, 766828), (536, 383414), (1072, 191707)]