28328716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7673}}^1$

素因数の和:7761

約数の個数: 24

約数和(自身を含む): 54147744

約数和(自身を除く): 25819028

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7673, 15346, 30692, 99749, 199498, 398996, 544783, 1089566, 2179132, 7082179, 14164358, 28328716]

約数ペア:

[(1, 28328716), (2, 14164358), (4, 7082179), (13, 2179132), (26, 1089566), (52, 544783), (71, 398996), (142, 199498), (284, 99749), (923, 30692), (1846, 15346), (3692, 7673)]