6643976978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1\times {\mathrm{769}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 10356487680

約数和(自身を除く): 3712510702

約数列:

[1, 2, 31, 62, 331, 421, 662, 769, 842, 1538, 10261, 13051, 20522, 23839, 26102, 47678, 139351, 254539, 278702, 323749, 509078, 647498, 4319881, 7890709, 8639762, 10036219, 15781418, 20072438, 107160919, 214321838, 3321988489, 6643976978]

約数ペア:

[(1, 6643976978), (2, 3321988489), (31, 214321838), (62, 107160919), (331, 20072438), (421, 15781418), (662, 10036219), (769, 8639762), (842, 7890709), (1538, 4319881), (10261, 647498), (13051, 509078), (20522, 323749), (23839, 278702), (26102, 254539), (47678, 139351)]