397660904

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 792528000

約数和(自身を除く): 394867096

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 157, 172, 199, 296, 314, 344, 398, 628, 796, 1256, 1591, 1592, 3182, 5809, 6364, 6751, 7363, 8557, 11618, 12728, 13502, 14726, 17114, 23236, 27004, 29452, 31243, 34228, 46472, 54008, 58904, 62486, 68456, 124972, 249787, 249944, 316609, 499574, 633218, 999148, 1155991, 1266436, 1343449, 1998296, 2311982, 2532872, 2686898, 4623964, 5373796, 9247928, 10747592, 49707613, 99415226, 198830452, 397660904]

約数ペア:

[(1, 397660904), (2, 198830452), (4, 99415226), (8, 49707613), (37, 10747592), (43, 9247928), (74, 5373796), (86, 4623964), (148, 2686898), (157, 2532872), (172, 2311982), (199, 1998296), (296, 1343449), (314, 1266436), (344, 1155991), (398, 999148), (628, 633218), (796, 499574), (1256, 316609), (1591, 249944), (1592, 249787), (3182, 124972), (5809, 68456), (6364, 62486), (6751, 58904), (7363, 54008), (8557, 46472), (11618, 34228), (12728, 31243), (13502, 29452), (14726, 27004), (17114, 23236)]