128528666

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{42307}}^1$

素因数の和:42354

約数の個数: 24

約数和(自身を含む): 231509376

約数和(自身を除く): 102980710

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 42307, 84614, 296149, 592298, 1311517, 2073043, 2623034, 4146086, 9180619, 18361238, 64264333, 128528666]

約数ペア:

[(1, 128528666), (2, 64264333), (7, 18361238), (14, 9180619), (31, 4146086), (49, 2623034), (62, 2073043), (98, 1311517), (217, 592298), (434, 296149), (1519, 84614), (3038, 42307)]