644148290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{13627}}^1$

素因数の和:13826

約数の個数: 32

約数和(自身を含む): 1206895680

約数和(自身を除く): 562747390

約数列:

[1, 2, 5, 10, 29, 58, 145, 163, 290, 326, 815, 1630, 4727, 9454, 13627, 23635, 27254, 47270, 68135, 136270, 395183, 790366, 1975915, 2221201, 3951830, 4442402, 11106005, 22212010, 64414829, 128829658, 322074145, 644148290]

約数ペア:

[(1, 644148290), (2, 322074145), (5, 128829658), (10, 64414829), (29, 22212010), (58, 11106005), (145, 4442402), (163, 3951830), (290, 2221201), (326, 1975915), (815, 790366), (1630, 395183), (4727, 136270), (9454, 68135), (13627, 47270), (23635, 27254)]