87811984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2689}}^1$

素因数の和:2867

約数の個数: 40

約数和(自身を含む): 184458680

約数和(自身を除く): 96646696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2041, 2512, 2689, 4082, 5378, 8164, 10756, 16328, 21512, 32656, 34957, 43024, 69914, 139828, 279656, 422173, 559312, 844346, 1688692, 3377384, 5488249, 6754768, 10976498, 21952996, 43905992, 87811984]

約数ペア:

[(1, 87811984), (2, 43905992), (4, 21952996), (8, 10976498), (13, 6754768), (16, 5488249), (26, 3377384), (52, 1688692), (104, 844346), (157, 559312), (208, 422173), (314, 279656), (628, 139828), (1256, 69914), (2041, 43024), (2512, 34957), (2689, 32656), (4082, 21512), (5378, 16328), (8164, 10756)]