1666708978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^2\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 2821694400

約数和(自身を除く): 1154985422

約数列:

[1, 2, 11, 22, 61, 79, 122, 158, 199, 398, 671, 869, 1342, 1738, 2189, 4378, 4819, 6241, 9638, 12139, 12482, 15721, 24278, 31442, 53009, 68651, 106018, 133529, 137302, 172931, 267058, 345862, 380701, 761402, 958981, 1241959, 1917962, 2483918, 4187711, 8375422, 10548791, 13661549, 21097582, 27323098, 75759499, 151518998, 833354489, 1666708978]

約数ペア:

[(1, 1666708978), (2, 833354489), (11, 151518998), (22, 75759499), (61, 27323098), (79, 21097582), (122, 13661549), (158, 10548791), (199, 8375422), (398, 4187711), (671, 2483918), (869, 1917962), (1342, 1241959), (1738, 958981), (2189, 761402), (4378, 380701), (4819, 345862), (6241, 267058), (9638, 172931), (12139, 137302), (12482, 133529), (15721, 106018), (24278, 68651), (31442, 53009)]