68781296

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{10211}}^1$

素因数の和:10640

約数の個数: 20

約数和(自身を含む): 133593384

約数和(自身を除く): 64812088

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 10211, 20422, 40844, 81688, 163376, 4298831, 8597662, 17195324, 34390648, 68781296]

約数ペア:

[(1, 68781296), (2, 34390648), (4, 17195324), (8, 8597662), (16, 4298831), (421, 163376), (842, 81688), (1684, 40844), (3368, 20422), (6736, 10211)]