618123376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2971747}}^1$

素因数の和:2971768

約数の個数: 20

約数和(自身を含む): 1289738632

約数和(自身を除く): 671615256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2971747, 5943494, 11886988, 23773976, 38632711, 47547952, 77265422, 154530844, 309061688, 618123376]

約数ペア:

[(1, 618123376), (2, 309061688), (4, 154530844), (8, 77265422), (13, 47547952), (16, 38632711), (26, 23773976), (52, 11886988), (104, 5943494), (208, 2971747)]