1689872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3407}}^1$

素因数の和:3446

約数の個数: 20

約数和(自身を含む): 3380736

約数和(自身を除く): 1690864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3407, 6814, 13628, 27256, 54512, 105617, 211234, 422468, 844936, 1689872]

約数ペア:

[(1, 1689872), (2, 844936), (4, 422468), (8, 211234), (16, 105617), (31, 54512), (62, 27256), (124, 13628), (248, 6814), (496, 3407)]