320427978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{38393}}^1$

素因数の和:38518

約数の個数: 32

約数和(自身を含む): 696620736

約数和(自身を除く): 376192758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 642, 1391, 2782, 4173, 8346, 38393, 76786, 115179, 230358, 499109, 998218, 1497327, 2994654, 4108051, 8216102, 12324153, 24648306, 53404663, 106809326, 160213989, 320427978]

約数ペア:

[(1, 320427978), (2, 160213989), (3, 106809326), (6, 53404663), (13, 24648306), (26, 12324153), (39, 8216102), (78, 4108051), (107, 2994654), (214, 1497327), (321, 998218), (642, 499109), (1391, 230358), (2782, 115179), (4173, 76786), (8346, 38393)]