1381661575

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 2051868672

約数和(自身を除く): 670207097

約数列:

[1, 5, 7, 25, 35, 49, 83, 107, 127, 175, 245, 415, 535, 581, 635, 749, 889, 1225, 2075, 2675, 2905, 3175, 3745, 4067, 4445, 5243, 6223, 8881, 10541, 13589, 14525, 18725, 20335, 22225, 26215, 31115, 44405, 52705, 62167, 67945, 73787, 95123, 101675, 131075, 155575, 222025, 263525, 310835, 339725, 368935, 435169, 475615, 516509, 665861, 1127887, 1554175, 1844675, 2175845, 2378075, 2582545, 3329305, 5639435, 7895209, 10879225, 12912725, 16646525, 28197175, 39476045, 55266463, 197380225, 276332315, 1381661575]

約数ペア:

[(1, 1381661575), (5, 276332315), (7, 197380225), (25, 55266463), (35, 39476045), (49, 28197175), (83, 16646525), (107, 12912725), (127, 10879225), (175, 7895209), (245, 5639435), (415, 3329305), (535, 2582545), (581, 2378075), (635, 2175845), (749, 1844675), (889, 1554175), (1225, 1127887), (2075, 665861), (2675, 516509), (2905, 475615), (3175, 435169), (3745, 368935), (4067, 339725), (4445, 310835), (5243, 263525), (6223, 222025), (8881, 155575), (10541, 131075), (13589, 101675), (14525, 95123), (18725, 73787), (20335, 67945), (22225, 62167), (26215, 52705), (31115, 44405)]