86517470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{17987}}^1$

素因数の和:18044

約数の個数: 32

約数和(自身を含む): 172253088

約数和(自身を除く): 85735618

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 17987, 35974, 89935, 179870, 233831, 467662, 665519, 1169155, 1331038, 2338310, 3327595, 6655190, 8651747, 17303494, 43258735, 86517470]

約数ペア:

[(1, 86517470), (2, 43258735), (5, 17303494), (10, 8651747), (13, 6655190), (26, 3327595), (37, 2338310), (65, 1331038), (74, 1169155), (130, 665519), (185, 467662), (370, 233831), (481, 179870), (962, 89935), (2405, 35974), (4810, 17987)]