81323968

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1721

約数の個数: 56

約数和(自身を含む): 178637184

約数和(自身を除く): 97313216

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 142, 176, 284, 352, 568, 704, 781, 1136, 1562, 1627, 2272, 3124, 3254, 4544, 6248, 6508, 12496, 13016, 17897, 24992, 26032, 35794, 49984, 52064, 71588, 104128, 115517, 143176, 231034, 286352, 462068, 572704, 924136, 1145408, 1270687, 1848272, 2541374, 3696544, 5082748, 7393088, 10165496, 20330992, 40661984, 81323968]

約数ペア:

[(1, 81323968), (2, 40661984), (4, 20330992), (8, 10165496), (11, 7393088), (16, 5082748), (22, 3696544), (32, 2541374), (44, 1848272), (64, 1270687), (71, 1145408), (88, 924136), (142, 572704), (176, 462068), (284, 286352), (352, 231034), (568, 143176), (704, 115517), (781, 104128), (1136, 71588), (1562, 52064), (1627, 49984), (2272, 35794), (3124, 26032), (3254, 24992), (4544, 17897), (6248, 13016), (6508, 12496)]