257353426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1\times {\mathrm{677}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 434071872

約数和(自身を除く): 176718446

約数列:

[1, 2, 11, 22, 37, 74, 407, 467, 677, 814, 934, 1354, 5137, 7447, 10274, 14894, 17279, 25049, 34558, 50098, 190069, 275539, 316159, 380138, 551078, 632318, 3477749, 6955498, 11697883, 23395766, 128676713, 257353426]

約数ペア:

[(1, 257353426), (2, 128676713), (11, 23395766), (22, 11697883), (37, 6955498), (74, 3477749), (407, 632318), (467, 551078), (677, 380138), (814, 316159), (934, 275539), (1354, 190069), (5137, 50098), (7447, 34558), (10274, 25049), (14894, 17279)]