646576812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 1912135680

約数和(自身を除く): 1265558868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 89, 126, 127, 178, 227, 252, 254, 267, 356, 381, 454, 508, 534, 623, 681, 762, 801, 889, 908, 1068, 1143, 1246, 1362, 1524, 1589, 1602, 1778, 1869, 2043, 2286, 2492, 2667, 2724, 3178, 3204, 3556, 3738, 4086, 4572, 4767, 5334, 5607, 6356, 7476, 8001, 8172, 9534, 10668, 11214, 11303, 14301, 16002, 19068, 20203, 22428, 22606, 28602, 28829, 32004, 33909, 40406, 45212, 57204, 57658, 60609, 67818, 79121, 80812, 86487, 101727, 115316, 121218, 135636, 141421, 158242, 172974, 181827, 201803, 203454, 237363, 242436, 259461, 282842, 316484, 345948, 363654, 403606, 406908, 424263, 474726, 518922, 565684, 605409, 712089, 727308, 807212, 848526, 949452, 1037844, 1210818, 1272789, 1424178, 1697052, 1816227, 2421636, 2545578, 2565781, 2848356, 3632454, 5091156, 5131562, 7264908, 7697343, 10263124, 15394686, 17960467, 23092029, 30789372, 35920934, 46184058, 53881401, 71841868, 92368116, 107762802, 161644203, 215525604, 323288406, 646576812]

約数ペア:

[(1, 646576812), (2, 323288406), (3, 215525604), (4, 161644203), (6, 107762802), (7, 92368116), (9, 71841868), (12, 53881401), (14, 46184058), (18, 35920934), (21, 30789372), (28, 23092029), (36, 17960467), (42, 15394686), (63, 10263124), (84, 7697343), (89, 7264908), (126, 5131562), (127, 5091156), (178, 3632454), (227, 2848356), (252, 2565781), (254, 2545578), (267, 2421636), (356, 1816227), (381, 1697052), (454, 1424178), (508, 1272789), (534, 1210818), (623, 1037844), (681, 949452), (762, 848526), (801, 807212), (889, 727308), (908, 712089), (1068, 605409), (1143, 565684), (1246, 518922), (1362, 474726), (1524, 424263), (1589, 406908), (1602, 403606), (1778, 363654), (1869, 345948), (2043, 316484), (2286, 282842), (2492, 259461), (2667, 242436), (2724, 237363), (3178, 203454), (3204, 201803), (3556, 181827), (3738, 172974), (4086, 158242), (4572, 141421), (4767, 135636), (5334, 121218), (5607, 115316), (6356, 101727), (7476, 86487), (8001, 80812), (8172, 79121), (9534, 67818), (10668, 60609), (11214, 57658), (11303, 57204), (14301, 45212), (16002, 40406), (19068, 33909), (20203, 32004), (22428, 28829), (22606, 28602)]