235440257

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 272111616

約数和(自身を除く): 36671359

約数列:

[1, 13, 31, 53, 73, 151, 403, 689, 949, 1643, 1963, 2263, 3869, 4681, 8003, 11023, 21359, 29419, 50297, 60853, 104039, 119939, 143299, 248093, 341713, 584219, 1559207, 3225209, 4442269, 7594847, 18110789, 235440257]

約数ペア:

[(1, 235440257), (13, 18110789), (31, 7594847), (53, 4442269), (73, 3225209), (151, 1559207), (403, 584219), (689, 341713), (949, 248093), (1643, 143299), (1963, 119939), (2263, 104039), (3869, 60853), (4681, 50297), (8003, 29419), (11023, 21359)]