81605288

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{659}}^1\times {\mathrm{673}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 160142400

約数和(自身を除く): 78537112

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 659, 673, 1318, 1346, 2636, 2692, 5272, 5384, 15157, 15479, 30314, 30958, 60628, 61916, 121256, 123832, 443507, 887014, 1774028, 3548056, 10200661, 20401322, 40802644, 81605288]

約数ペア:

[(1, 81605288), (2, 40802644), (4, 20401322), (8, 10200661), (23, 3548056), (46, 1774028), (92, 887014), (184, 443507), (659, 123832), (673, 121256), (1318, 61916), (1346, 60628), (2636, 30958), (2692, 30314), (5272, 15479), (5384, 15157)]