31141168

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:505

約数の個数: 40

約数和(自身を含む): 62138880

約数和(自身を除く): 30997712

約数列:

[1, 2, 4, 8, 16, 71, 79, 142, 158, 284, 316, 347, 568, 632, 694, 1136, 1264, 1388, 2776, 5552, 5609, 11218, 22436, 24637, 27413, 44872, 49274, 54826, 89744, 98548, 109652, 197096, 219304, 394192, 438608, 1946323, 3892646, 7785292, 15570584, 31141168]

約数ペア:

[(1, 31141168), (2, 15570584), (4, 7785292), (8, 3892646), (16, 1946323), (71, 438608), (79, 394192), (142, 219304), (158, 197096), (284, 109652), (316, 98548), (347, 89744), (568, 54826), (632, 49274), (694, 44872), (1136, 27413), (1264, 24637), (1388, 22436), (2776, 11218), (5552, 5609)]