819616356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{6659}}^1$

素因数の和:6945

約数の個数: 72

約数和(自身を含む): 2239997760

約数和(自身を除く): 1420381404

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 263, 468, 526, 789, 1052, 1578, 2367, 3156, 3419, 4734, 6659, 6838, 9468, 10257, 13318, 13676, 19977, 20514, 26636, 30771, 39954, 41028, 59931, 61542, 79908, 86567, 119862, 123084, 173134, 239724, 259701, 346268, 519402, 779103, 1038804, 1558206, 1751317, 3116412, 3502634, 5253951, 7005268, 10507902, 15761853, 21015804, 22767121, 31523706, 45534242, 63047412, 68301363, 91068484, 136602726, 204904089, 273205452, 409808178, 819616356]

約数ペア:

[(1, 819616356), (2, 409808178), (3, 273205452), (4, 204904089), (6, 136602726), (9, 91068484), (12, 68301363), (13, 63047412), (18, 45534242), (26, 31523706), (36, 22767121), (39, 21015804), (52, 15761853), (78, 10507902), (117, 7005268), (156, 5253951), (234, 3502634), (263, 3116412), (468, 1751317), (526, 1558206), (789, 1038804), (1052, 779103), (1578, 519402), (2367, 346268), (3156, 259701), (3419, 239724), (4734, 173134), (6659, 123084), (6838, 119862), (9468, 86567), (10257, 79908), (13318, 61542), (13676, 59931), (19977, 41028), (20514, 39954), (26636, 30771)]