668549844

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 1811496960

約数和(自身を除く): 1142947116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 53, 62, 89, 93, 106, 124, 127, 159, 178, 186, 212, 254, 267, 279, 318, 356, 372, 381, 477, 508, 534, 558, 636, 762, 801, 954, 1068, 1116, 1143, 1524, 1602, 1643, 1908, 2286, 2759, 3204, 3286, 3937, 4572, 4717, 4929, 5518, 6572, 6731, 7874, 8277, 9434, 9858, 11036, 11303, 11811, 13462, 14151, 14787, 15748, 16554, 18868, 19716, 20193, 22606, 23622, 24831, 26924, 28302, 29574, 33108, 33909, 35433, 40386, 42453, 45212, 47244, 49662, 56604, 59148, 60579, 67818, 70866, 80772, 84906, 99324, 101727, 121158, 135636, 141732, 146227, 169812, 203454, 208661, 242316, 292454, 350393, 406908, 417322, 438681, 584908, 599059, 625983, 700786, 834644, 877362, 1051179, 1198118, 1251966, 1316043, 1401572, 1754724, 1797177, 1877949, 2102358, 2396236, 2503932, 2632086, 3153537, 3594354, 3755898, 4204716, 5264172, 5391531, 6307074, 7188708, 7511796, 10783062, 12614148, 18570829, 21566124, 37141658, 55712487, 74283316, 111424974, 167137461, 222849948, 334274922, 668549844]

約数ペア:

[(1, 668549844), (2, 334274922), (3, 222849948), (4, 167137461), (6, 111424974), (9, 74283316), (12, 55712487), (18, 37141658), (31, 21566124), (36, 18570829), (53, 12614148), (62, 10783062), (89, 7511796), (93, 7188708), (106, 6307074), (124, 5391531), (127, 5264172), (159, 4204716), (178, 3755898), (186, 3594354), (212, 3153537), (254, 2632086), (267, 2503932), (279, 2396236), (318, 2102358), (356, 1877949), (372, 1797177), (381, 1754724), (477, 1401572), (508, 1316043), (534, 1251966), (558, 1198118), (636, 1051179), (762, 877362), (801, 834644), (954, 700786), (1068, 625983), (1116, 599059), (1143, 584908), (1524, 438681), (1602, 417322), (1643, 406908), (1908, 350393), (2286, 292454), (2759, 242316), (3204, 208661), (3286, 203454), (3937, 169812), (4572, 146227), (4717, 141732), (4929, 135636), (5518, 121158), (6572, 101727), (6731, 99324), (7874, 84906), (8277, 80772), (9434, 70866), (9858, 67818), (11036, 60579), (11303, 59148), (11811, 56604), (13462, 49662), (14151, 47244), (14787, 45212), (15748, 42453), (16554, 40386), (18868, 35433), (19716, 33909), (20193, 33108), (22606, 29574), (23622, 28302), (24831, 26924)]