631982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 16

約数和(自身を含む): 1034880

約数和(自身を除く): 402898

約数列:

[1, 2, 13, 26, 109, 218, 223, 446, 1417, 2834, 2899, 5798, 24307, 48614, 315991, 631982]

約数ペア:

[(1, 631982), (2, 315991), (13, 48614), (26, 24307), (109, 5798), (218, 2899), (223, 2834), (446, 1417)]