81709416

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8663}}^1$

素因数の和:8806

約数の個数: 48

約数和(自身を含む): 223011360

約数和(自身を除く): 141301944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 8663, 9432, 17326, 25989, 34652, 51978, 69304, 77967, 103956, 155934, 207912, 311868, 623736, 1134853, 2269706, 3404559, 4539412, 6809118, 9078824, 10213677, 13618236, 20427354, 27236472, 40854708, 81709416]

約数ペア:

[(1, 81709416), (2, 40854708), (3, 27236472), (4, 20427354), (6, 13618236), (8, 10213677), (9, 9078824), (12, 6809118), (18, 4539412), (24, 3404559), (36, 2269706), (72, 1134853), (131, 623736), (262, 311868), (393, 207912), (524, 155934), (786, 103956), (1048, 77967), (1179, 69304), (1572, 51978), (2358, 34652), (3144, 25989), (4716, 17326), (8663, 9432)]