1330390672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{20177}}^1$

素因数の和:20515

約数の個数: 40

約数和(自身を含む): 2784806136

約数和(自身を除く): 1454415464

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317, 634, 1268, 2536, 4121, 5072, 8242, 16484, 20177, 32968, 40354, 65936, 80708, 161416, 262301, 322832, 524602, 1049204, 2098408, 4196816, 6396109, 12792218, 25584436, 51168872, 83149417, 102337744, 166298834, 332597668, 665195336, 1330390672]

約数ペア:

[(1, 1330390672), (2, 665195336), (4, 332597668), (8, 166298834), (13, 102337744), (16, 83149417), (26, 51168872), (52, 25584436), (104, 12792218), (208, 6396109), (317, 4196816), (634, 2098408), (1268, 1049204), (2536, 524602), (4121, 322832), (5072, 262301), (8242, 161416), (16484, 80708), (20177, 65936), (32968, 40354)]