78125465

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 103650624

約数和(自身を除く): 25525159

約数列:

[1, 5, 11, 55, 121, 263, 491, 605, 1315, 2455, 2893, 5401, 14465, 27005, 31823, 59411, 129133, 159115, 297055, 645665, 1420463, 7102315, 15625093, 78125465]

約数ペア:

[(1, 78125465), (5, 15625093), (11, 7102315), (55, 1420463), (121, 645665), (263, 297055), (491, 159115), (605, 129133), (1315, 59411), (2455, 31823), (2893, 27005), (5401, 14465)]