131031664

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{839}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 261233280

約数和(自身を除く): 130201616

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 227, 344, 454, 688, 839, 908, 1678, 1816, 3356, 3632, 6712, 9761, 13424, 19522, 36077, 39044, 72154, 78088, 144308, 156176, 190453, 288616, 380906, 577232, 761812, 1523624, 3047248, 8189479, 16378958, 32757916, 65515832, 131031664]

約数ペア:

[(1, 131031664), (2, 65515832), (4, 32757916), (8, 16378958), (16, 8189479), (43, 3047248), (86, 1523624), (172, 761812), (227, 577232), (344, 380906), (454, 288616), (688, 190453), (839, 156176), (908, 144308), (1678, 78088), (1816, 72154), (3356, 39044), (3632, 36077), (6712, 19522), (9761, 13424)]