84291376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{405247}}^1$

素因数の和:405268

約数の個数: 20

約数和(自身を含む): 175877632

約数和(自身を除く): 91586256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 405247, 810494, 1620988, 3241976, 5268211, 6483952, 10536422, 21072844, 42145688, 84291376]

約数ペア:

[(1, 84291376), (2, 42145688), (4, 21072844), (8, 10536422), (13, 6483952), (16, 5268211), (26, 3241976), (52, 1620988), (104, 810494), (208, 405247)]