261912966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 610867200

約数和(自身を除く): 348954234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 193, 237, 386, 409, 474, 553, 579, 818, 1106, 1158, 1227, 1351, 1659, 2454, 2702, 2863, 3318, 4053, 5726, 8106, 8589, 15247, 17178, 30494, 32311, 45741, 64622, 78937, 91482, 96933, 106729, 157874, 193866, 213458, 226177, 236811, 320187, 452354, 473622, 552559, 640374, 678531, 1105118, 1357062, 1657677, 3315354, 6236023, 12472046, 18708069, 37416138, 43652161, 87304322, 130956483, 261912966]

約数ペア:

[(1, 261912966), (2, 130956483), (3, 87304322), (6, 43652161), (7, 37416138), (14, 18708069), (21, 12472046), (42, 6236023), (79, 3315354), (158, 1657677), (193, 1357062), (237, 1105118), (386, 678531), (409, 640374), (474, 552559), (553, 473622), (579, 452354), (818, 320187), (1106, 236811), (1158, 226177), (1227, 213458), (1351, 193866), (1659, 157874), (2454, 106729), (2702, 96933), (2863, 91482), (3318, 78937), (4053, 64622), (5726, 45741), (8106, 32311), (8589, 30494), (15247, 17178)]