68696464

素因数分解:

$2^4\times {\mathrm{1381}}^1\times {\mathrm{3109}}^1$

素因数の和:4498

約数の個数: 20

約数和(自身を含む): 133238620

約数和(自身を除く): 64542156

約数列:

[1, 2, 4, 8, 16, 1381, 2762, 3109, 5524, 6218, 11048, 12436, 22096, 24872, 49744, 4293529, 8587058, 17174116, 34348232, 68696464]

約数ペア:

[(1, 68696464), (2, 34348232), (4, 17174116), (8, 8587058), (16, 4293529), (1381, 49744), (2762, 24872), (3109, 22096), (5524, 12436), (6218, 11048)]