81470896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9109}}^1$

素因数の和:9173

約数の個数: 40

約数和(自身を含む): 173964560

約数和(自身を除く): 92493664

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 9109, 18218, 36436, 72872, 118417, 145744, 236834, 391687, 473668, 783374, 947336, 1566748, 1894672, 3133496, 5091931, 6266992, 10183862, 20367724, 40735448, 81470896]

約数ペア:

[(1, 81470896), (2, 40735448), (4, 20367724), (8, 10183862), (13, 6266992), (16, 5091931), (26, 3133496), (43, 1894672), (52, 1566748), (86, 947336), (104, 783374), (172, 473668), (208, 391687), (344, 236834), (559, 145744), (688, 118417), (1118, 72872), (2236, 36436), (4472, 18218), (8944, 9109)]