90991888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{25733}}^1$

素因数の和:25771

約数の個数: 40

約数和(自身を含む): 201034008

約数和(自身を除く): 110042120

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 25733, 51466, 102932, 205864, 334529, 411728, 437461, 669058, 874922, 1338116, 1749844, 2676232, 3499688, 5352464, 5686993, 6999376, 11373986, 22747972, 45495944, 90991888]

約数ペア:

[(1, 90991888), (2, 45495944), (4, 22747972), (8, 11373986), (13, 6999376), (16, 5686993), (17, 5352464), (26, 3499688), (34, 2676232), (52, 1749844), (68, 1338116), (104, 874922), (136, 669058), (208, 437461), (221, 411728), (272, 334529), (442, 205864), (884, 102932), (1768, 51466), (3536, 25733)]