202178195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 263678976

約数和(自身を除く): 61500781

約数列:

[1, 5, 17, 67, 85, 131, 271, 335, 655, 1139, 1355, 2227, 4607, 5695, 8777, 11135, 18157, 23035, 35501, 43885, 90785, 149209, 177505, 308669, 603517, 746045, 1543345, 2378567, 3017585, 11892835, 40435639, 202178195]

約数ペア:

[(1, 202178195), (5, 40435639), (17, 11892835), (67, 3017585), (85, 2378567), (131, 1543345), (271, 746045), (335, 603517), (655, 308669), (1139, 177505), (1355, 149209), (2227, 90785), (4607, 43885), (5695, 35501), (8777, 23035), (11135, 18157)]