491358928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{990643}}^1$

素因数の和:990682

約数の個数: 20

約数和(自身を含む): 982718848

約数和(自身を除く): 491359920

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 990643, 1981286, 3962572, 7925144, 15850288, 30709933, 61419866, 122839732, 245679464, 491358928]

約数ペア:

[(1, 491358928), (2, 245679464), (4, 122839732), (8, 61419866), (16, 30709933), (31, 15850288), (62, 7925144), (124, 3962572), (248, 1981286), (496, 990643)]