208202345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 277613952

約数和(自身を除く): 69411607

約数列:

[1, 5, 13, 43, 65, 163, 215, 457, 559, 815, 2119, 2285, 2795, 5941, 7009, 10595, 19651, 29705, 35045, 74491, 91117, 98255, 255463, 372455, 455585, 968383, 1277315, 3203113, 4841915, 16015565, 41640469, 208202345]

約数ペア:

[(1, 208202345), (5, 41640469), (13, 16015565), (43, 4841915), (65, 3203113), (163, 1277315), (215, 968383), (457, 455585), (559, 372455), (815, 255463), (2119, 98255), (2285, 91117), (2795, 74491), (5941, 35045), (7009, 29705), (10595, 19651)]