38781904

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4877}}^1$

素因数の和:4963

約数の個数: 40

約数和(自身を含む): 87101568

約数和(自身を除く): 48319664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 4877, 7952, 9754, 19508, 34139, 39016, 68278, 78032, 136556, 273112, 346267, 546224, 692534, 1385068, 2423869, 2770136, 4847738, 5540272, 9695476, 19390952, 38781904]

約数ペア:

[(1, 38781904), (2, 19390952), (4, 9695476), (7, 5540272), (8, 4847738), (14, 2770136), (16, 2423869), (28, 1385068), (56, 692534), (71, 546224), (112, 346267), (142, 273112), (284, 136556), (497, 78032), (568, 68278), (994, 39016), (1136, 34139), (1988, 19508), (3976, 9754), (4877, 7952)]