198710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 16

約数和(自身を含む): 369792

約数和(自身を除く): 171082

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 641, 1282, 3205, 6410, 19871, 39742, 99355, 198710]

約数ペア:

[(1, 198710), (2, 99355), (5, 39742), (10, 19871), (31, 6410), (62, 3205), (155, 1282), (310, 641)]