1977825416

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 4410158400

約数和(自身を除く): 2432332984

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 179, 196, 284, 358, 392, 397, 497, 568, 716, 794, 994, 1253, 1432, 1588, 1988, 2506, 2779, 3176, 3479, 3976, 5012, 5558, 6958, 8771, 10024, 11116, 12709, 13916, 17542, 19453, 22232, 25418, 27832, 28187, 35084, 38906, 50836, 56374, 70168, 71063, 77812, 88963, 101672, 112748, 142126, 155624, 177926, 197309, 225496, 284252, 355852, 394618, 497441, 568504, 622741, 711704, 789236, 994882, 1245482, 1381163, 1578472, 1989764, 2490964, 2762326, 3482087, 3979528, 4981928, 5045473, 5524652, 6964174, 10090946, 11049304, 13928348, 20181892, 27856696, 35318311, 40363784, 70636622, 141273244, 247228177, 282546488, 494456354, 988912708, 1977825416]

約数ペア:

[(1, 1977825416), (2, 988912708), (4, 494456354), (7, 282546488), (8, 247228177), (14, 141273244), (28, 70636622), (49, 40363784), (56, 35318311), (71, 27856696), (98, 20181892), (142, 13928348), (179, 11049304), (196, 10090946), (284, 6964174), (358, 5524652), (392, 5045473), (397, 4981928), (497, 3979528), (568, 3482087), (716, 2762326), (794, 2490964), (994, 1989764), (1253, 1578472), (1432, 1381163), (1588, 1245482), (1988, 994882), (2506, 789236), (2779, 711704), (3176, 622741), (3479, 568504), (3976, 497441), (5012, 394618), (5558, 355852), (6958, 284252), (8771, 225496), (10024, 197309), (11116, 177926), (12709, 155624), (13916, 142126), (17542, 112748), (19453, 101672), (22232, 88963), (25418, 77812), (27832, 71063), (28187, 70168), (35084, 56374), (38906, 50836)]