68387984

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19697}}^1$

素因数の和:19743

約数の個数: 40

約数和(自身を含む): 156323328

約数和(自身を除く): 87935344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 19697, 39394, 78788, 137879, 157576, 275758, 315152, 551516, 610607, 1103032, 1221214, 2206064, 2442428, 4274249, 4884856, 8548498, 9769712, 17096996, 34193992, 68387984]

約数ペア:

[(1, 68387984), (2, 34193992), (4, 17096996), (7, 9769712), (8, 8548498), (14, 4884856), (16, 4274249), (28, 2442428), (31, 2206064), (56, 1221214), (62, 1103032), (112, 610607), (124, 551516), (217, 315152), (248, 275758), (434, 157576), (496, 137879), (868, 78788), (1736, 39394), (3472, 19697)]