261017048

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 535144320

約数和(自身を除く): 274127272

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 73, 122, 136, 146, 244, 292, 431, 488, 584, 862, 1037, 1241, 1724, 2074, 2482, 3448, 4148, 4453, 4964, 7327, 8296, 8906, 9928, 14654, 17812, 26291, 29308, 31463, 35624, 52582, 58616, 62926, 75701, 105164, 125852, 151402, 210328, 251704, 302804, 446947, 534871, 605608, 893894, 1069742, 1787788, 1919243, 2139484, 3575576, 3838486, 4278968, 7676972, 15353944, 32627131, 65254262, 130508524, 261017048]

約数ペア:

[(1, 261017048), (2, 130508524), (4, 65254262), (8, 32627131), (17, 15353944), (34, 7676972), (61, 4278968), (68, 3838486), (73, 3575576), (122, 2139484), (136, 1919243), (146, 1787788), (244, 1069742), (292, 893894), (431, 605608), (488, 534871), (584, 446947), (862, 302804), (1037, 251704), (1241, 210328), (1724, 151402), (2074, 125852), (2482, 105164), (3448, 75701), (4148, 62926), (4453, 58616), (4964, 52582), (7327, 35624), (8296, 31463), (8906, 29308), (9928, 26291), (14654, 17812)]