81362344

素因数分解:

$2^3\times 7^3\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 180000000

約数和(自身を除く): 98637656

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 149, 196, 199, 298, 343, 392, 398, 596, 686, 796, 1043, 1192, 1372, 1393, 1592, 2086, 2744, 2786, 4172, 5572, 7301, 8344, 9751, 11144, 14602, 19502, 29204, 29651, 39004, 51107, 58408, 59302, 68257, 78008, 102214, 118604, 136514, 204428, 207557, 237208, 273028, 408856, 415114, 546056, 830228, 1452899, 1660456, 2905798, 5811596, 10170293, 11623192, 20340586, 40681172, 81362344]

約数ペア:

[(1, 81362344), (2, 40681172), (4, 20340586), (7, 11623192), (8, 10170293), (14, 5811596), (28, 2905798), (49, 1660456), (56, 1452899), (98, 830228), (149, 546056), (196, 415114), (199, 408856), (298, 273028), (343, 237208), (392, 207557), (398, 204428), (596, 136514), (686, 118604), (796, 102214), (1043, 78008), (1192, 68257), (1372, 59302), (1393, 58408), (1592, 51107), (2086, 39004), (2744, 29651), (2786, 29204), (4172, 19502), (5572, 14602), (7301, 11144), (8344, 9751)]