81257008

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42677}}^1$

素因数の和:42709

約数の個数: 40

約数和(自身を含む): 190514592

約数和(自身を除く): 109257584

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 42677, 85354, 170708, 298739, 341416, 597478, 682832, 725509, 1194956, 1451018, 2389912, 2902036, 4779824, 5078563, 5804072, 10157126, 11608144, 20314252, 40628504, 81257008]

約数ペア:

[(1, 81257008), (2, 40628504), (4, 20314252), (7, 11608144), (8, 10157126), (14, 5804072), (16, 5078563), (17, 4779824), (28, 2902036), (34, 2389912), (56, 1451018), (68, 1194956), (112, 725509), (119, 682832), (136, 597478), (238, 341416), (272, 298739), (476, 170708), (952, 85354), (1904, 42677)]