81704312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1427}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 162706320

約数和(自身を除く): 81002008

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 421, 842, 1427, 1684, 2854, 3368, 5708, 7157, 11416, 14314, 24259, 28628, 48518, 57256, 97036, 194072, 600767, 1201534, 2403068, 4806136, 10213039, 20426078, 40852156, 81704312]

約数ペア:

[(1, 81704312), (2, 40852156), (4, 20426078), (8, 10213039), (17, 4806136), (34, 2403068), (68, 1201534), (136, 600767), (421, 194072), (842, 97036), (1427, 57256), (1684, 48518), (2854, 28628), (3368, 24259), (5708, 14314), (7157, 11416)]