189125456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 411515328

約数和(自身を除く): 222389872

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 67, 82, 104, 134, 164, 208, 268, 328, 331, 533, 536, 656, 662, 871, 1066, 1072, 1324, 1742, 2132, 2648, 2747, 3484, 4264, 4303, 5296, 5494, 6968, 8528, 8606, 10988, 13571, 13936, 17212, 21976, 22177, 27142, 34424, 35711, 43952, 44354, 54284, 68848, 71422, 88708, 108568, 142844, 176423, 177416, 217136, 285688, 288301, 352846, 354832, 571376, 576602, 705692, 909257, 1153204, 1411384, 1818514, 2306408, 2822768, 3637028, 4612816, 7274056, 11820341, 14548112, 23640682, 47281364, 94562728, 189125456]

約数ペア:

[(1, 189125456), (2, 94562728), (4, 47281364), (8, 23640682), (13, 14548112), (16, 11820341), (26, 7274056), (41, 4612816), (52, 3637028), (67, 2822768), (82, 2306408), (104, 1818514), (134, 1411384), (164, 1153204), (208, 909257), (268, 705692), (328, 576602), (331, 571376), (533, 354832), (536, 352846), (656, 288301), (662, 285688), (871, 217136), (1066, 177416), (1072, 176423), (1324, 142844), (1742, 108568), (2132, 88708), (2648, 71422), (2747, 68848), (3484, 54284), (4264, 44354), (4303, 43952), (5296, 35711), (5494, 34424), (6968, 27142), (8528, 22177), (8606, 21976), (10988, 17212), (13571, 13936)]