291287288

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{6389}}^1$

素因数の和:6575

約数の個数: 32

約数和(自身を含む): 563598000

約数和(自身を除く): 272310712

約数列:

[1, 2, 4, 8, 41, 82, 139, 164, 278, 328, 556, 1112, 5699, 6389, 11398, 12778, 22796, 25556, 45592, 51112, 261949, 523898, 888071, 1047796, 1776142, 2095592, 3552284, 7104568, 36410911, 72821822, 145643644, 291287288]

約数ペア:

[(1, 291287288), (2, 145643644), (4, 72821822), (8, 36410911), (41, 7104568), (82, 3552284), (139, 2095592), (164, 1776142), (278, 1047796), (328, 888071), (556, 523898), (1112, 261949), (5699, 51112), (6389, 45592), (11398, 25556), (12778, 22796)]