551438414

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{20269}}^1$

素因数の和:20555

約数の個数: 16

約数和(自身を含む): 844529280

約数和(自身を除く): 293090866

約数列:

[1, 2, 61, 122, 223, 446, 13603, 20269, 27206, 40538, 1236409, 2472818, 4519987, 9039974, 275719207, 551438414]

約数ペア:

[(1, 551438414), (2, 275719207), (61, 9039974), (122, 4519987), (223, 2472818), (446, 1236409), (13603, 40538), (20269, 27206)]