221380254

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{1249}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 493350000

約数和(自身を除く): 271969746

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 229, 258, 387, 458, 687, 774, 1249, 1374, 2061, 2498, 3747, 4122, 7494, 9847, 11241, 19694, 22482, 29541, 53707, 59082, 88623, 107414, 161121, 177246, 286021, 322242, 483363, 572042, 858063, 966726, 1716126, 2574189, 5148378, 12298903, 24597806, 36896709, 73793418, 110690127, 221380254]

約数ペア:

[(1, 221380254), (2, 110690127), (3, 73793418), (6, 36896709), (9, 24597806), (18, 12298903), (43, 5148378), (86, 2574189), (129, 1716126), (229, 966726), (258, 858063), (387, 572042), (458, 483363), (687, 322242), (774, 286021), (1249, 177246), (1374, 161121), (2061, 107414), (2498, 88623), (3747, 59082), (4122, 53707), (7494, 29541), (9847, 22482), (11241, 19694)]