81726544

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{659}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 165971520

約数和(自身を除く): 84244976

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 337, 368, 659, 674, 1318, 1348, 2636, 2696, 5272, 5392, 7751, 10544, 15157, 15502, 30314, 31004, 60628, 62008, 121256, 124016, 222083, 242512, 444166, 888332, 1776664, 3553328, 5107909, 10215818, 20431636, 40863272, 81726544]

約数ペア:

[(1, 81726544), (2, 40863272), (4, 20431636), (8, 10215818), (16, 5107909), (23, 3553328), (46, 1776664), (92, 888332), (184, 444166), (337, 242512), (368, 222083), (659, 124016), (674, 121256), (1318, 62008), (1348, 60628), (2636, 31004), (2696, 30314), (5272, 15502), (5392, 15157), (7751, 10544)]