51989868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2003}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 151726848

約数和(自身を除く): 99736980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 927, 1236, 1442, 1854, 2003, 2163, 2884, 3708, 4006, 4326, 6009, 6489, 8012, 8652, 12018, 12978, 14021, 18027, 24036, 25956, 28042, 36054, 42063, 56084, 72108, 84126, 126189, 168252, 206309, 252378, 412618, 504756, 618927, 825236, 1237854, 1444163, 1856781, 2475708, 2888326, 3713562, 4332489, 5776652, 7427124, 8664978, 12997467, 17329956, 25994934, 51989868]

約数ペア:

[(1, 51989868), (2, 25994934), (3, 17329956), (4, 12997467), (6, 8664978), (7, 7427124), (9, 5776652), (12, 4332489), (14, 3713562), (18, 2888326), (21, 2475708), (28, 1856781), (36, 1444163), (42, 1237854), (63, 825236), (84, 618927), (103, 504756), (126, 412618), (206, 252378), (252, 206309), (309, 168252), (412, 126189), (618, 84126), (721, 72108), (927, 56084), (1236, 42063), (1442, 36054), (1854, 28042), (2003, 25956), (2163, 24036), (2884, 18027), (3708, 14021), (4006, 12978), (4326, 12018), (6009, 8652), (6489, 8012)]