204954428

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 416849664

約数和(自身を除く): 211895236

約数列:

[1, 2, 4, 7, 14, 28, 113, 211, 226, 307, 422, 452, 614, 791, 844, 1228, 1477, 1582, 2149, 2954, 3164, 4298, 5908, 8596, 23843, 34691, 47686, 64777, 69382, 95372, 129554, 138764, 166901, 242837, 259108, 333802, 453439, 485674, 667604, 906878, 971348, 1813756, 7319801, 14639602, 29279204, 51238607, 102477214, 204954428]

約数ペア:

[(1, 204954428), (2, 102477214), (4, 51238607), (7, 29279204), (14, 14639602), (28, 7319801), (113, 1813756), (211, 971348), (226, 906878), (307, 667604), (422, 485674), (452, 453439), (614, 333802), (791, 259108), (844, 242837), (1228, 166901), (1477, 138764), (1582, 129554), (2149, 95372), (2954, 69382), (3164, 64777), (4298, 47686), (5908, 34691), (8596, 23843)]