9920278

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:743

約数の個数: 16

約数和(自身を含む): 15331680

約数和(自身を除く): 5411402

約数列:

[1, 2, 41, 82, 311, 389, 622, 778, 12751, 15949, 25502, 31898, 120979, 241958, 4960139, 9920278]

約数ペア:

[(1, 9920278), (2, 4960139), (41, 241958), (82, 120979), (311, 31898), (389, 25502), (622, 15949), (778, 12751)]