258854512

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 636896736

約数和(自身を除く): 378042224

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 257, 272, 322, 368, 391, 476, 514, 529, 644, 782, 952, 1028, 1058, 1288, 1564, 1799, 1904, 2056, 2116, 2576, 2737, 3128, 3598, 3703, 4112, 4232, 4369, 5474, 5911, 6256, 7196, 7406, 8464, 8738, 8993, 10948, 11822, 14392, 14812, 17476, 17986, 21896, 23644, 28784, 29624, 30583, 34952, 35972, 41377, 43792, 47288, 59248, 61166, 62951, 69904, 71944, 82754, 94576, 100487, 122332, 125902, 135953, 143888, 165508, 200974, 244664, 251804, 271906, 331016, 401948, 489328, 503608, 543812, 662032, 703409, 803896, 951671, 1007216, 1087624, 1406818, 1607792, 1903342, 2175248, 2311201, 2813636, 3806684, 4622402, 5627272, 7613368, 9244804, 11254544, 15226736, 16178407, 18489608, 32356814, 36979216, 64713628, 129427256, 258854512]

約数ペア:

[(1, 258854512), (2, 129427256), (4, 64713628), (7, 36979216), (8, 32356814), (14, 18489608), (16, 16178407), (17, 15226736), (23, 11254544), (28, 9244804), (34, 7613368), (46, 5627272), (56, 4622402), (68, 3806684), (92, 2813636), (112, 2311201), (119, 2175248), (136, 1903342), (161, 1607792), (184, 1406818), (238, 1087624), (257, 1007216), (272, 951671), (322, 803896), (368, 703409), (391, 662032), (476, 543812), (514, 503608), (529, 489328), (644, 401948), (782, 331016), (952, 271906), (1028, 251804), (1058, 244664), (1288, 200974), (1564, 165508), (1799, 143888), (1904, 135953), (2056, 125902), (2116, 122332), (2576, 100487), (2737, 94576), (3128, 82754), (3598, 71944), (3703, 69904), (4112, 62951), (4232, 61166), (4369, 59248), (5474, 47288), (5911, 43792), (6256, 41377), (7196, 35972), (7406, 34952), (8464, 30583), (8738, 29624), (8993, 28784), (10948, 23644), (11822, 21896), (14392, 17986), (14812, 17476)]