80317258

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 140112000

約数和(自身を除く): 59794742

約数列:

[1, 2, 7, 14, 139, 149, 277, 278, 298, 554, 973, 1043, 1939, 1946, 2086, 3878, 20711, 38503, 41273, 41422, 77006, 82546, 144977, 269521, 288911, 289954, 539042, 577822, 5736947, 11473894, 40158629, 80317258]

約数ペア:

[(1, 80317258), (2, 40158629), (7, 11473894), (14, 5736947), (139, 577822), (149, 539042), (277, 289954), (278, 288911), (298, 269521), (554, 144977), (973, 82546), (1043, 77006), (1939, 41422), (1946, 41273), (2086, 38503), (3878, 20711)]