87891386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{128873}}^1$

素因数の和:128917

約数の個数: 16

約数和(自身を含む): 148462848

約数和(自身を除く): 60571462

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 128873, 257746, 1417603, 2835206, 3995063, 7990126, 43945693, 87891386]

約数ペア:

[(1, 87891386), (2, 43945693), (11, 7990126), (22, 3995063), (31, 2835206), (62, 1417603), (341, 257746), (682, 128873)]