257792542

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^2$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 473136480

約数和(自身を除く): 215343938

約数列:

[1, 2, 7, 14, 29, 37, 58, 74, 131, 203, 259, 262, 406, 518, 917, 1073, 1834, 2146, 3799, 4847, 7511, 7598, 9694, 15022, 17161, 26593, 33929, 34322, 53186, 67858, 120127, 140563, 240254, 281126, 497669, 634957, 983941, 995338, 1269914, 1967882, 3483683, 4444699, 6967366, 8889398, 18413753, 36827506, 128896271, 257792542]

約数ペア:

[(1, 257792542), (2, 128896271), (7, 36827506), (14, 18413753), (29, 8889398), (37, 6967366), (58, 4444699), (74, 3483683), (131, 1967882), (203, 1269914), (259, 995338), (262, 983941), (406, 634957), (518, 497669), (917, 281126), (1073, 240254), (1834, 140563), (2146, 120127), (3799, 67858), (4847, 53186), (7511, 34322), (7598, 33929), (9694, 26593), (15022, 17161)]