198969953

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{2129}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 249465600

約数和(自身を除く): 50495647

約数列:

[1, 7, 13, 79, 91, 169, 553, 1027, 1183, 2129, 7189, 13351, 14903, 27677, 93457, 168191, 193739, 359801, 1177337, 2186483, 2518607, 15305381, 28424279, 198969953]

約数ペア:

[(1, 198969953), (7, 28424279), (13, 15305381), (79, 2518607), (91, 2186483), (169, 1177337), (553, 359801), (1027, 193739), (1183, 168191), (2129, 93457), (7189, 27677), (13351, 14903)]