87218170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{35311}}^1$

素因数の和:35350

約数の個数: 32

約数和(自身を含む): 177972480

約数和(自身を除く): 90754310

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 35311, 70622, 176555, 353110, 459043, 670909, 918086, 1341818, 2295215, 3354545, 4590430, 6709090, 8721817, 17443634, 43609085, 87218170]

約数ペア:

[(1, 87218170), (2, 43609085), (5, 17443634), (10, 8721817), (13, 6709090), (19, 4590430), (26, 3354545), (38, 2295215), (65, 1341818), (95, 918086), (130, 670909), (190, 459043), (247, 353110), (494, 176555), (1235, 70622), (2470, 35311)]