51421658

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{809}}^1$

素因数の和:1393

約数の個数: 16

約数和(自身を含む): 78644520

約数和(自身を除く): 27222862

約数列:

[1, 2, 61, 122, 521, 809, 1042, 1618, 31781, 49349, 63562, 98698, 421489, 842978, 25710829, 51421658]

約数ペア:

[(1, 51421658), (2, 25710829), (61, 842978), (122, 421489), (521, 98698), (809, 63562), (1042, 49349), (1618, 31781)]