161431686

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{689879}}^1$

素因数の和:689900

約数の個数: 24

約数和(自身を含む): 376674480

約数和(自身を除く): 215242794

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 689879, 1379758, 2069637, 4139274, 6208911, 8968427, 12417822, 17936854, 26905281, 53810562, 80715843, 161431686]

約数ペア:

[(1, 161431686), (2, 80715843), (3, 53810562), (6, 26905281), (9, 17936854), (13, 12417822), (18, 8968427), (26, 6208911), (39, 4139274), (78, 2069637), (117, 1379758), (234, 689879)]