81691768

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{3929}}^1$

素因数の和:4071

約数の個数: 32

約数和(自身を含む): 161287200

約数和(自身を除く): 79595432

約数列:

[1, 2, 4, 8, 23, 46, 92, 113, 184, 226, 452, 904, 2599, 3929, 5198, 7858, 10396, 15716, 20792, 31432, 90367, 180734, 361468, 443977, 722936, 887954, 1775908, 3551816, 10211471, 20422942, 40845884, 81691768]

約数ペア:

[(1, 81691768), (2, 40845884), (4, 20422942), (8, 10211471), (23, 3551816), (46, 1775908), (92, 887954), (113, 722936), (184, 443977), (226, 361468), (452, 180734), (904, 90367), (2599, 31432), (3929, 20792), (5198, 15716), (7858, 10396)]