128205968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{3209}}^1$

素因数の和:3455

約数の個数: 40

約数和(自身を含む): 272259360

約数和(自身を除く): 144053392

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 227, 454, 908, 1816, 2497, 3209, 3632, 4994, 6418, 9988, 12836, 19976, 25672, 35299, 39952, 51344, 70598, 141196, 282392, 564784, 728443, 1456886, 2913772, 5827544, 8012873, 11655088, 16025746, 32051492, 64102984, 128205968]

約数ペア:

[(1, 128205968), (2, 64102984), (4, 32051492), (8, 16025746), (11, 11655088), (16, 8012873), (22, 5827544), (44, 2913772), (88, 1456886), (176, 728443), (227, 564784), (454, 282392), (908, 141196), (1816, 70598), (2497, 51344), (3209, 39952), (3632, 35299), (4994, 25672), (6418, 19976), (9988, 12836)]