74428991

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{353}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 93787344

約数和(自身を除く): 19358353

約数列:

[1, 7, 13, 49, 91, 331, 353, 637, 2317, 2471, 4303, 4589, 16219, 17297, 30121, 32123, 116843, 210847, 224861, 817901, 1518959, 5725307, 10632713, 74428991]

約数ペア:

[(1, 74428991), (7, 10632713), (13, 5725307), (49, 1518959), (91, 817901), (331, 224861), (353, 210847), (637, 116843), (2317, 32123), (2471, 30121), (4303, 17297), (4589, 16219)]