28404848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 58329600

約数和(自身を除く): 29924752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 223, 304, 419, 446, 838, 892, 1676, 1784, 3352, 3568, 4237, 6704, 7961, 8474, 15922, 16948, 31844, 33896, 63688, 67792, 93437, 127376, 186874, 373748, 747496, 1494992, 1775303, 3550606, 7101212, 14202424, 28404848]

約数ペア:

[(1, 28404848), (2, 14202424), (4, 7101212), (8, 3550606), (16, 1775303), (19, 1494992), (38, 747496), (76, 373748), (152, 186874), (223, 127376), (304, 93437), (419, 67792), (446, 63688), (838, 33896), (892, 31844), (1676, 16948), (1784, 15922), (3352, 8474), (3568, 7961), (4237, 6704)]