42005704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{403901}}^1$

素因数の和:403920

約数の個数: 16

約数和(自身を含む): 84819420

約数和(自身を除く): 42813716

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 403901, 807802, 1615604, 3231208, 5250713, 10501426, 21002852, 42005704]

約数ペア:

[(1, 42005704), (2, 21002852), (4, 10501426), (8, 5250713), (13, 3231208), (26, 1615604), (52, 807802), (104, 403901)]