261331868

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{977}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 538259904

約数和(自身を除く): 276928036

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 233, 287, 466, 574, 932, 977, 1148, 1631, 1954, 3262, 3908, 6524, 6839, 9553, 13678, 19106, 27356, 38212, 40057, 66871, 80114, 133742, 160228, 227641, 267484, 280399, 455282, 560798, 910564, 1121596, 1593487, 3186974, 6373948, 9333281, 18666562, 37333124, 65332967, 130665934, 261331868]

約数ペア:

[(1, 261331868), (2, 130665934), (4, 65332967), (7, 37333124), (14, 18666562), (28, 9333281), (41, 6373948), (82, 3186974), (164, 1593487), (233, 1121596), (287, 910564), (466, 560798), (574, 455282), (932, 280399), (977, 267484), (1148, 227641), (1631, 160228), (1954, 133742), (3262, 80114), (3908, 66871), (6524, 40057), (6839, 38212), (9553, 27356), (13678, 19106)]