86779984

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 171585000

約数和(自身を除く): 84805016

約数列:

[1, 2, 4, 8, 16, 89, 149, 178, 298, 356, 409, 596, 712, 818, 1192, 1424, 1636, 2384, 3272, 6544, 13261, 26522, 36401, 53044, 60941, 72802, 106088, 121882, 145604, 212176, 243764, 291208, 487528, 582416, 975056, 5423749, 10847498, 21694996, 43389992, 86779984]

約数ペア:

[(1, 86779984), (2, 43389992), (4, 21694996), (8, 10847498), (16, 5423749), (89, 975056), (149, 582416), (178, 487528), (298, 291208), (356, 243764), (409, 212176), (596, 145604), (712, 121882), (818, 106088), (1192, 72802), (1424, 60941), (1636, 53044), (2384, 36401), (3272, 26522), (6544, 13261)]