87098990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1073

約数の個数: 64

約数和(自身を含む): 185131008

約数和(自身を除く): 98032018

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 47, 55, 85, 94, 110, 170, 187, 235, 374, 470, 517, 799, 935, 991, 1034, 1598, 1870, 1982, 2585, 3995, 4955, 5170, 7990, 8789, 9910, 10901, 16847, 17578, 21802, 33694, 43945, 46577, 54505, 84235, 87890, 93154, 109010, 168470, 185317, 232885, 370634, 465770, 512347, 791809, 926585, 1024694, 1583618, 1853170, 2561735, 3959045, 5123470, 7918090, 8709899, 17419798, 43549495, 87098990]

約数ペア:

[(1, 87098990), (2, 43549495), (5, 17419798), (10, 8709899), (11, 7918090), (17, 5123470), (22, 3959045), (34, 2561735), (47, 1853170), (55, 1583618), (85, 1024694), (94, 926585), (110, 791809), (170, 512347), (187, 465770), (235, 370634), (374, 232885), (470, 185317), (517, 168470), (799, 109010), (935, 93154), (991, 87890), (1034, 84235), (1598, 54505), (1870, 46577), (1982, 43945), (2585, 33694), (3995, 21802), (4955, 17578), (5170, 16847), (7990, 10901), (8789, 9910)]