13238648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 26451360

約数和(自身を除く): 13212712

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 311, 313, 622, 626, 1244, 1252, 2488, 2504, 5287, 5321, 10574, 10642, 21148, 21284, 42296, 42568, 97343, 194686, 389372, 778744, 1654831, 3309662, 6619324, 13238648]

約数ペア:

[(1, 13238648), (2, 6619324), (4, 3309662), (8, 1654831), (17, 778744), (34, 389372), (68, 194686), (136, 97343), (311, 42568), (313, 42296), (622, 21284), (626, 21148), (1244, 10642), (1252, 10574), (2488, 5321), (2504, 5287)]