81851056

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42989}}^1$

素因数の和:43021

約数の個数: 40

約数和(自身を含む): 191907360

約数和(自身を除く): 110056304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 42989, 85978, 171956, 300923, 343912, 601846, 687824, 730813, 1203692, 1461626, 2407384, 2923252, 4814768, 5115691, 5846504, 10231382, 11693008, 20462764, 40925528, 81851056]

約数ペア:

[(1, 81851056), (2, 40925528), (4, 20462764), (7, 11693008), (8, 10231382), (14, 5846504), (16, 5115691), (17, 4814768), (28, 2923252), (34, 2407384), (56, 1461626), (68, 1203692), (112, 730813), (119, 687824), (136, 601846), (238, 343912), (272, 300923), (476, 171956), (952, 85978), (1904, 42989)]