25220468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 54754560

約数和(自身を除く): 29534092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 193, 359, 364, 386, 718, 772, 1351, 1436, 2509, 2513, 2702, 4667, 5018, 5026, 5404, 9334, 10036, 10052, 17563, 18668, 32669, 35126, 65338, 69287, 70252, 130676, 138574, 277148, 485009, 900731, 970018, 1801462, 1940036, 3602924, 6305117, 12610234, 25220468]

約数ペア:

[(1, 25220468), (2, 12610234), (4, 6305117), (7, 3602924), (13, 1940036), (14, 1801462), (26, 970018), (28, 900731), (52, 485009), (91, 277148), (182, 138574), (193, 130676), (359, 70252), (364, 69287), (386, 65338), (718, 35126), (772, 32669), (1351, 18668), (1436, 17563), (2509, 10052), (2513, 10036), (2702, 9334), (4667, 5404), (5018, 5026)]