90987512

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{21101}}^1$

素因数の和:21132

約数の個数: 48

約数和(自身を含む): 216506520

約数和(自身を除く): 125519008

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 21101, 42202, 84404, 147707, 168808, 232111, 295414, 464222, 590828, 928444, 1033949, 1181656, 1624777, 1856888, 2067898, 3249554, 4135796, 6499108, 8271592, 11373439, 12998216, 22746878, 45493756, 90987512]

約数ペア:

[(1, 90987512), (2, 45493756), (4, 22746878), (7, 12998216), (8, 11373439), (11, 8271592), (14, 6499108), (22, 4135796), (28, 3249554), (44, 2067898), (49, 1856888), (56, 1624777), (77, 1181656), (88, 1033949), (98, 928444), (154, 590828), (196, 464222), (308, 295414), (392, 232111), (539, 168808), (616, 147707), (1078, 84404), (2156, 42202), (4312, 21101)]