31501145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 13254055

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 1109, 1235, 1495, 2185, 5545, 5681, 14417, 21071, 25507, 28405, 72085, 105355, 127535, 273923, 331591, 484633, 1369615, 1657955, 2423165, 6300229, 31501145]

約数ペア:

[(1, 31501145), (5, 6300229), (13, 2423165), (19, 1657955), (23, 1369615), (65, 484633), (95, 331591), (115, 273923), (247, 127535), (299, 105355), (437, 72085), (1109, 28405), (1235, 25507), (1495, 21071), (2185, 14417), (5545, 5681)]