381897424

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{645097}}^1$

素因数の和:645142

約数の個数: 20

約数和(自身を含む): 759925444

約数和(自身を除く): 378028020

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 645097, 1290194, 2580388, 5160776, 10321552, 23868589, 47737178, 95474356, 190948712, 381897424]

約数ペア:

[(1, 381897424), (2, 190948712), (4, 95474356), (8, 47737178), (16, 23868589), (37, 10321552), (74, 5160776), (148, 2580388), (296, 1290194), (592, 645097)]