1640559736

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{1297}}^1\times {\mathrm{3677}}^1$

素因数の和:5023

約数の個数: 32

約数和(自身を含む): 3150869040

約数和(自身を除く): 1510309304

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1297, 2594, 3677, 5188, 7354, 10376, 14708, 29416, 55771, 111542, 158111, 223084, 316222, 446168, 632444, 1264888, 4769069, 9538138, 19076276, 38152552, 205069967, 410139934, 820279868, 1640559736]

約数ペア:

[(1, 1640559736), (2, 820279868), (4, 410139934), (8, 205069967), (43, 38152552), (86, 19076276), (172, 9538138), (344, 4769069), (1297, 1264888), (2594, 632444), (3677, 446168), (5188, 316222), (7354, 223084), (10376, 158111), (14708, 111542), (29416, 55771)]