72521570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3313}}^1$

素因数の和:3530

約数の個数: 32

約数和(自身を含む): 143164800

約数和(自身を除く): 70643230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 3313, 4378, 6626, 10945, 16565, 21890, 33130, 36443, 72886, 182215, 364430, 659287, 1318574, 3296435, 6592870, 7252157, 14504314, 36260785, 72521570]

約数ペア:

[(1, 72521570), (2, 36260785), (5, 14504314), (10, 7252157), (11, 6592870), (22, 3296435), (55, 1318574), (110, 659287), (199, 364430), (398, 182215), (995, 72886), (1990, 36443), (2189, 33130), (3313, 21890), (4378, 16565), (6626, 10945)]