201238670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{649157}}^1$

素因数の和:649195

約数の個数: 16

約数和(自身を含む): 373915008

約数和(自身を除く): 172676338

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 649157, 1298314, 3245785, 6491570, 20123867, 40247734, 100619335, 201238670]

約数ペア:

[(1, 201238670), (2, 100619335), (5, 40247734), (10, 20123867), (31, 6491570), (62, 3245785), (155, 1298314), (310, 649157)]