216223085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{195677}}^1$

素因数の和:195712

約数の個数: 16

約数和(自身を含む): 295865136

約数和(自身を除く): 79642051

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 195677, 978385, 2543801, 3326509, 12719005, 16632545, 43244617, 216223085]

約数ペア:

[(1, 216223085), (5, 43244617), (13, 16632545), (17, 12719005), (65, 3326509), (85, 2543801), (221, 978385), (1105, 195677)]