428892415

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{644951}}^1$

素因数の和:644982

約数の個数: 16

約数和(自身を含む): 619153920

約数和(自身を除く): 190261505

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 644951, 3224755, 4514657, 12254069, 22573285, 61270345, 85778483, 428892415]

約数ペア:

[(1, 428892415), (5, 85778483), (7, 61270345), (19, 22573285), (35, 12254069), (95, 4514657), (133, 3224755), (665, 644951)]