1628944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1738

約数の個数: 20

約数和(自身を含む): 3209740

約数和(自身を除く): 1580796

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 1669, 3338, 6676, 13352, 26704, 101809, 203618, 407236, 814472, 1628944]

約数ペア:

[(1, 1628944), (2, 814472), (4, 407236), (8, 203618), (16, 101809), (61, 26704), (122, 13352), (244, 6676), (488, 3338), (976, 1669)]