128873976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69737}}^1$

素因数の和:69764

約数の個数: 64

約数和(自身を含む): 401690880

約数和(自身を除く): 272816904

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 69737, 139474, 209211, 278948, 418422, 488159, 557896, 767107, 836844, 976318, 1464477, 1534214, 1673688, 1952636, 2301321, 2928954, 3068428, 3905272, 4602642, 5369749, 5857908, 6136856, 9205284, 10739498, 11715816, 16109247, 18410568, 21478996, 32218494, 42957992, 64436988, 128873976]

約数ペア:

[(1, 128873976), (2, 64436988), (3, 42957992), (4, 32218494), (6, 21478996), (7, 18410568), (8, 16109247), (11, 11715816), (12, 10739498), (14, 9205284), (21, 6136856), (22, 5857908), (24, 5369749), (28, 4602642), (33, 3905272), (42, 3068428), (44, 2928954), (56, 2301321), (66, 1952636), (77, 1673688), (84, 1534214), (88, 1464477), (132, 976318), (154, 836844), (168, 767107), (231, 557896), (264, 488159), (308, 418422), (462, 278948), (616, 209211), (924, 139474), (1848, 69737)]