204570085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{28081}}^1$

素因数の和:28164

約数の個数: 16

約数和(自身を含む): 258803712

約数和(自身を除く): 54233627

約数列:

[1, 5, 31, 47, 155, 235, 1457, 7285, 28081, 140405, 870511, 1319807, 4352555, 6599035, 40914017, 204570085]

約数ペア:

[(1, 204570085), (5, 40914017), (31, 6599035), (47, 4352555), (155, 1319807), (235, 870511), (1457, 140405), (7285, 28081)]