2558416

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 5785344

約数和(自身を除く): 3226928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 431, 742, 848, 862, 1484, 1724, 2968, 3017, 3448, 5936, 6034, 6896, 12068, 22843, 24136, 45686, 48272, 91372, 159901, 182744, 319802, 365488, 639604, 1279208, 2558416]

約数ペア:

[(1, 2558416), (2, 1279208), (4, 639604), (7, 365488), (8, 319802), (14, 182744), (16, 159901), (28, 91372), (53, 48272), (56, 45686), (106, 24136), (112, 22843), (212, 12068), (371, 6896), (424, 6034), (431, 5936), (742, 3448), (848, 3017), (862, 2968), (1484, 1724)]