390644272

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1417

約数の個数: 40

約数和(自身を含む): 770522112

約数和(自身を除く): 379877840

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 347, 568, 694, 991, 1136, 1388, 1982, 2776, 3964, 5552, 7928, 15856, 24637, 49274, 70361, 98548, 140722, 197096, 281444, 343877, 394192, 562888, 687754, 1125776, 1375508, 2751016, 5502032, 24415267, 48830534, 97661068, 195322136, 390644272]

約数ペア:

[(1, 390644272), (2, 195322136), (4, 97661068), (8, 48830534), (16, 24415267), (71, 5502032), (142, 2751016), (284, 1375508), (347, 1125776), (568, 687754), (694, 562888), (991, 394192), (1136, 343877), (1388, 281444), (1982, 197096), (2776, 140722), (3964, 98548), (5552, 70361), (7928, 49274), (15856, 24637)]