640638280802

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1\times {\mathrm{937}}^1$

素因数の和:1588

約数の個数: 96

約数和(自身を含む): 1079689927680

約数和(自身を除く): 439051646878

約数列:

[1, 2, 13, 26, 41, 82, 103, 169, 206, 338, 479, 533, 937, 958, 1066, 1339, 1874, 2678, 4223, 6227, 6929, 8446, 12181, 12454, 13858, 17407, 19639, 24362, 34814, 38417, 39278, 49337, 54899, 76834, 80951, 96511, 98674, 109798, 158353, 161902, 193022, 255307, 316706, 448823, 499421, 510614, 641381, 713687, 897646, 998842, 1254643, 1282762, 1427374, 2022817, 2509286, 3318991, 3956951, 4045634, 5834699, 6492473, 6637982, 7913902, 8337953, 11669398, 12984946, 16310359, 16675906, 18401743, 26296621, 32620718, 36803486, 46228769, 51440363, 52593242, 75851087, 92457538, 102880726, 151702174, 239222659, 341856073, 478445318, 600973997, 668724719, 683712146, 1201947994, 1337449438, 1895379529, 3109894567, 3790759058, 6219789134, 7812661961, 15625323922, 24639933877, 49279867754, 320319140401, 640638280802]

約数ペア:

[(1, 640638280802), (2, 320319140401), (13, 49279867754), (26, 24639933877), (41, 15625323922), (82, 7812661961), (103, 6219789134), (169, 3790759058), (206, 3109894567), (338, 1895379529), (479, 1337449438), (533, 1201947994), (937, 683712146), (958, 668724719), (1066, 600973997), (1339, 478445318), (1874, 341856073), (2678, 239222659), (4223, 151702174), (6227, 102880726), (6929, 92457538), (8446, 75851087), (12181, 52593242), (12454, 51440363), (13858, 46228769), (17407, 36803486), (19639, 32620718), (24362, 26296621), (34814, 18401743), (38417, 16675906), (39278, 16310359), (49337, 12984946), (54899, 11669398), (76834, 8337953), (80951, 7913902), (96511, 6637982), (98674, 6492473), (109798, 5834699), (158353, 4045634), (161902, 3956951), (193022, 3318991), (255307, 2509286), (316706, 2022817), (448823, 1427374), (499421, 1282762), (510614, 1254643), (641381, 998842), (713687, 897646)]