264215938

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 72

約数和(自身を含む): 516570480

約数和(自身を除く): 252354542

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 49, 98, 119, 133, 238, 266, 289, 323, 491, 578, 646, 833, 931, 982, 1666, 1862, 2023, 2261, 3437, 4046, 4522, 5491, 6874, 8347, 9329, 10982, 14161, 15827, 16694, 18658, 24059, 28322, 31654, 38437, 48118, 58429, 65303, 76874, 116858, 130606, 141899, 158593, 269059, 283798, 317186, 409003, 457121, 538118, 818006, 914242, 993293, 1110151, 1986586, 2220302, 2696081, 5392162, 6953051, 7771057, 13906102, 15542114, 18872567, 37745134, 132107969, 264215938]

約数ペア:

[(1, 264215938), (2, 132107969), (7, 37745134), (14, 18872567), (17, 15542114), (19, 13906102), (34, 7771057), (38, 6953051), (49, 5392162), (98, 2696081), (119, 2220302), (133, 1986586), (238, 1110151), (266, 993293), (289, 914242), (323, 818006), (491, 538118), (578, 457121), (646, 409003), (833, 317186), (931, 283798), (982, 269059), (1666, 158593), (1862, 141899), (2023, 130606), (2261, 116858), (3437, 76874), (4046, 65303), (4522, 58429), (5491, 48118), (6874, 38437), (8347, 31654), (9329, 28322), (10982, 24059), (14161, 18658), (15827, 16694)]