26247455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 36469440

約数和(自身を除く): 10221985

約数列:

[1, 5, 13, 19, 53, 65, 95, 247, 265, 401, 689, 1007, 1235, 2005, 3445, 5035, 5213, 7619, 13091, 21253, 26065, 38095, 65455, 99047, 106265, 276289, 403807, 495235, 1381445, 2019035, 5249491, 26247455]

約数ペア:

[(1, 26247455), (5, 5249491), (13, 2019035), (19, 1381445), (53, 495235), (65, 403807), (95, 276289), (247, 106265), (265, 99047), (401, 65455), (689, 38095), (1007, 26065), (1235, 21253), (2005, 13091), (3445, 7619), (5035, 5213)]