201491906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 388903680

約数和(自身を除く): 187411774

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 89, 122, 154, 178, 241, 427, 482, 623, 671, 854, 979, 1246, 1342, 1687, 1958, 2651, 3374, 4697, 5302, 5429, 6853, 9394, 10858, 13706, 14701, 18557, 21449, 29402, 37114, 38003, 42898, 59719, 76006, 102907, 119438, 150143, 161711, 205814, 235939, 300286, 323422, 418033, 471878, 836066, 1131977, 1308389, 1651573, 2263954, 2616778, 3303146, 9158723, 14392279, 18317446, 28784558, 100745953, 201491906]

約数ペア:

[(1, 201491906), (2, 100745953), (7, 28784558), (11, 18317446), (14, 14392279), (22, 9158723), (61, 3303146), (77, 2616778), (89, 2263954), (122, 1651573), (154, 1308389), (178, 1131977), (241, 836066), (427, 471878), (482, 418033), (623, 323422), (671, 300286), (854, 235939), (979, 205814), (1246, 161711), (1342, 150143), (1687, 119438), (1958, 102907), (2651, 76006), (3374, 59719), (4697, 42898), (5302, 38003), (5429, 37114), (6853, 29402), (9394, 21449), (10858, 18557), (13706, 14701)]