201815735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2887}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 279465984

約数和(自身を除く): 77650249

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 341, 451, 1271, 1705, 2255, 2887, 6355, 13981, 14435, 31757, 69905, 89497, 118367, 158785, 447485, 591835, 984467, 1302037, 3669377, 4922335, 6510185, 18346885, 40363147, 201815735]

約数ペア:

[(1, 201815735), (5, 40363147), (11, 18346885), (31, 6510185), (41, 4922335), (55, 3669377), (155, 1302037), (205, 984467), (341, 591835), (451, 447485), (1271, 158785), (1705, 118367), (2255, 89497), (2887, 69905), (6355, 31757), (13981, 14435)]