155963290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{13669}}^1$

素因数の和:13846

約数の個数: 32

約数和(自身を含む): 322830720

約数和(自身を除く): 166867430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 5705, 11410, 13669, 27338, 68345, 95683, 136690, 191366, 478415, 956830, 2228047, 4456094, 11140235, 15596329, 22280470, 31192658, 77981645, 155963290]

約数ペア:

[(1, 155963290), (2, 77981645), (5, 31192658), (7, 22280470), (10, 15596329), (14, 11140235), (35, 4456094), (70, 2228047), (163, 956830), (326, 478415), (815, 191366), (1141, 136690), (1630, 95683), (2282, 68345), (5705, 27338), (11410, 13669)]