85815745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 113933952

約数和(自身を除く): 28118207

約数列:

[1, 5, 17, 43, 53, 85, 215, 265, 443, 731, 901, 2215, 2279, 3655, 4505, 7531, 11395, 19049, 23479, 37655, 38743, 95245, 117395, 193715, 323833, 399143, 1009597, 1619165, 1995715, 5047985, 17163149, 85815745]

約数ペア:

[(1, 85815745), (5, 17163149), (17, 5047985), (43, 1995715), (53, 1619165), (85, 1009597), (215, 399143), (265, 323833), (443, 193715), (731, 117395), (901, 95245), (2215, 38743), (2279, 37655), (3655, 23479), (4505, 19049), (7531, 11395)]