256639856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{3673}}^1$

素因数の和:4089

約数の個数: 40

約数和(自身を含む): 543957744

約数和(自身を除く): 287317888

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 397, 794, 1588, 3176, 3673, 4367, 6352, 7346, 8734, 14692, 17468, 29384, 34936, 40403, 58768, 69872, 80806, 161612, 323224, 646448, 1458181, 2916362, 5832724, 11665448, 16039991, 23330896, 32079982, 64159964, 128319928, 256639856]

約数ペア:

[(1, 256639856), (2, 128319928), (4, 64159964), (8, 32079982), (11, 23330896), (16, 16039991), (22, 11665448), (44, 5832724), (88, 2916362), (176, 1458181), (397, 646448), (794, 323224), (1588, 161612), (3176, 80806), (3673, 69872), (4367, 58768), (6352, 40403), (7346, 34936), (8734, 29384), (14692, 17468)]