989899992

素因数分解:

$2^3\times 3^2\times {\mathrm{617}}^1\times {\mathrm{22283}}^1$

素因数の和:22912

約数の個数: 48

約数和(自身を含む): 2685444840

約数和(自身を除く): 1695544848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 617, 1234, 1851, 2468, 3702, 4936, 5553, 7404, 11106, 14808, 22212, 22283, 44424, 44566, 66849, 89132, 133698, 178264, 200547, 267396, 401094, 534792, 802188, 1604376, 13748611, 27497222, 41245833, 54994444, 82491666, 109988888, 123737499, 164983332, 247474998, 329966664, 494949996, 989899992]

約数ペア:

[(1, 989899992), (2, 494949996), (3, 329966664), (4, 247474998), (6, 164983332), (8, 123737499), (9, 109988888), (12, 82491666), (18, 54994444), (24, 41245833), (36, 27497222), (72, 13748611), (617, 1604376), (1234, 802188), (1851, 534792), (2468, 401094), (3702, 267396), (4936, 200547), (5553, 178264), (7404, 133698), (11106, 89132), (14808, 66849), (22212, 44566), (22283, 44424)]