789998188

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 1700825280

約数和(自身を除く): 910827092

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 307, 532, 614, 691, 931, 1228, 1382, 1862, 2149, 2764, 3724, 4298, 4837, 5833, 8596, 9674, 11666, 13129, 15043, 19348, 23332, 26258, 30086, 33859, 40831, 52516, 60172, 67718, 81662, 91903, 135436, 163324, 183806, 212137, 285817, 367612, 424274, 571634, 643321, 848548, 1143268, 1286642, 1484959, 2573284, 2969918, 4030603, 5939836, 8061206, 10394713, 16122412, 20789426, 28214221, 41578852, 56428442, 112856884, 197499547, 394999094, 789998188]

約数ペア:

[(1, 789998188), (2, 394999094), (4, 197499547), (7, 112856884), (14, 56428442), (19, 41578852), (28, 28214221), (38, 20789426), (49, 16122412), (76, 10394713), (98, 8061206), (133, 5939836), (196, 4030603), (266, 2969918), (307, 2573284), (532, 1484959), (614, 1286642), (691, 1143268), (931, 848548), (1228, 643321), (1382, 571634), (1862, 424274), (2149, 367612), (2764, 285817), (3724, 212137), (4298, 183806), (4837, 163324), (5833, 135436), (8596, 91903), (9674, 81662), (11666, 67718), (13129, 60172), (15043, 52516), (19348, 40831), (23332, 33859), (26258, 30086)]