159740872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{1103}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 307486080

約数和(自身を除く): 147745208

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 421, 842, 1103, 1684, 2206, 3368, 4412, 8824, 18103, 36206, 47429, 72412, 94858, 144824, 189716, 379432, 464363, 928726, 1857452, 3714904, 19967609, 39935218, 79870436, 159740872]

約数ペア:

[(1, 159740872), (2, 79870436), (4, 39935218), (8, 19967609), (43, 3714904), (86, 1857452), (172, 928726), (344, 464363), (421, 379432), (842, 189716), (1103, 144824), (1684, 94858), (2206, 72412), (3368, 47429), (4412, 36206), (8824, 18103)]