209517968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{20177}}^1$

素因数の和:20255

約数の個数: 40

約数和(自身を含む): 450372960

約数和(自身を除く): 240854992

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 176, 236, 472, 649, 944, 1298, 2596, 5192, 10384, 20177, 40354, 80708, 161416, 221947, 322832, 443894, 887788, 1190443, 1775576, 2380886, 3551152, 4761772, 9523544, 13094873, 19047088, 26189746, 52379492, 104758984, 209517968]

約数ペア:

[(1, 209517968), (2, 104758984), (4, 52379492), (8, 26189746), (11, 19047088), (16, 13094873), (22, 9523544), (44, 4761772), (59, 3551152), (88, 2380886), (118, 1775576), (176, 1190443), (236, 887788), (472, 443894), (649, 322832), (944, 221947), (1298, 161416), (2596, 80708), (5192, 40354), (10384, 20177)]