2005163966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 3474938880

約数和(自身を除く): 1469774914

約数列:

[1, 2, 13, 23, 26, 46, 71, 83, 142, 166, 299, 569, 598, 923, 1079, 1138, 1633, 1846, 1909, 2158, 3266, 3818, 5893, 7397, 11786, 13087, 14794, 21229, 24817, 26174, 40399, 42458, 47227, 49634, 76609, 80798, 94454, 135539, 153218, 170131, 271078, 340262, 525187, 613951, 929177, 1050374, 1086221, 1227902, 1762007, 1858354, 2172442, 3353117, 3524014, 6706234, 12079301, 14120873, 24158602, 28241746, 43590521, 77121691, 87181042, 154243382, 1002581983, 2005163966]

約数ペア:

[(1, 2005163966), (2, 1002581983), (13, 154243382), (23, 87181042), (26, 77121691), (46, 43590521), (71, 28241746), (83, 24158602), (142, 14120873), (166, 12079301), (299, 6706234), (569, 3524014), (598, 3353117), (923, 2172442), (1079, 1858354), (1138, 1762007), (1633, 1227902), (1846, 1086221), (1909, 1050374), (2158, 929177), (3266, 613951), (3818, 525187), (5893, 340262), (7397, 271078), (11786, 170131), (13087, 153218), (14794, 135539), (21229, 94454), (24817, 80798), (26174, 76609), (40399, 49634), (42458, 47227)]