645768336

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{151163}}^1$

素因数の和:151263

約数の個数: 40

約数和(自身を含む): 1686990240

約数和(自身を除く): 1041221904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 151163, 302326, 453489, 604652, 906978, 1209304, 1813956, 2418608, 3627912, 7255824, 13453507, 26907014, 40360521, 53814028, 80721042, 107628056, 161442084, 215256112, 322884168, 645768336]

約数ペア:

[(1, 645768336), (2, 322884168), (3, 215256112), (4, 161442084), (6, 107628056), (8, 80721042), (12, 53814028), (16, 40360521), (24, 26907014), (48, 13453507), (89, 7255824), (178, 3627912), (267, 2418608), (356, 1813956), (534, 1209304), (712, 906978), (1068, 604652), (1424, 453489), (2136, 302326), (4272, 151163)]