13999985

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 18049920

約数和(自身を除く): 4049935

約数列:

[1, 5, 23, 67, 79, 115, 335, 395, 529, 1541, 1817, 2645, 5293, 7705, 9085, 26465, 35443, 41791, 121739, 177215, 208955, 608695, 2799997, 13999985]

約数ペア:

[(1, 13999985), (5, 2799997), (23, 608695), (67, 208955), (79, 177215), (115, 121739), (335, 41791), (395, 35443), (529, 26465), (1541, 9085), (1817, 7705), (2645, 5293)]