77345128

素因数分解:

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

素因数の和:495

約数の個数: 64

約数和(自身を含む): 171936000

約数和(自身を除く): 94590872

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 343, 392, 397, 497, 568, 686, 794, 994, 1372, 1588, 1988, 2744, 2779, 3176, 3479, 3976, 5558, 6958, 11116, 13916, 19453, 22232, 24353, 27832, 28187, 38906, 48706, 56374, 77812, 97412, 112748, 136171, 155624, 194824, 197309, 225496, 272342, 394618, 544684, 789236, 1089368, 1381163, 1578472, 2762326, 5524652, 9668141, 11049304, 19336282, 38672564, 77345128]

約数ペア:

[(1, 77345128), (2, 38672564), (4, 19336282), (7, 11049304), (8, 9668141), (14, 5524652), (28, 2762326), (49, 1578472), (56, 1381163), (71, 1089368), (98, 789236), (142, 544684), (196, 394618), (284, 272342), (343, 225496), (392, 197309), (397, 194824), (497, 155624), (568, 136171), (686, 112748), (794, 97412), (994, 77812), (1372, 56374), (1588, 48706), (1988, 38906), (2744, 28187), (2779, 27832), (3176, 24353), (3479, 22232), (3976, 19453), (5558, 13916), (6958, 11116)]