25201916

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 45056256

約数和(自身を除く): 19854340

約数列:

[1, 2, 4, 67, 134, 268, 271, 347, 542, 694, 1084, 1388, 18157, 23249, 36314, 46498, 72628, 92996, 94037, 188074, 376148, 6300479, 12600958, 25201916]

約数ペア:

[(1, 25201916), (2, 12600958), (4, 6300479), (67, 376148), (134, 188074), (268, 94037), (271, 92996), (347, 72628), (542, 46498), (694, 36314), (1084, 23249), (1388, 18157)]