81338376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7937}}^1$

素因数の和:8014

約数の個数: 64

約数和(自身を含む): 236234880

約数和(自身を除く): 154896504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 366, 427, 488, 732, 854, 1281, 1464, 1708, 2562, 3416, 5124, 7937, 10248, 15874, 23811, 31748, 47622, 55559, 63496, 95244, 111118, 166677, 190488, 222236, 333354, 444472, 484157, 666708, 968314, 1333416, 1452471, 1936628, 2904942, 3389099, 3873256, 5809884, 6778198, 10167297, 11619768, 13556396, 20334594, 27112792, 40669188, 81338376]

約数ペア:

[(1, 81338376), (2, 40669188), (3, 27112792), (4, 20334594), (6, 13556396), (7, 11619768), (8, 10167297), (12, 6778198), (14, 5809884), (21, 3873256), (24, 3389099), (28, 2904942), (42, 1936628), (56, 1452471), (61, 1333416), (84, 968314), (122, 666708), (168, 484157), (183, 444472), (244, 333354), (366, 222236), (427, 190488), (488, 166677), (732, 111118), (854, 95244), (1281, 63496), (1464, 55559), (1708, 47622), (2562, 31748), (3416, 23811), (5124, 15874), (7937, 10248)]