281790145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{13177}}^1$

素因数の和:13249

約数の個数: 32

約数和(自身を含む): 425069568

約数和(自身を除く): 143279423

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 3055, 4277, 13177, 21385, 65885, 92239, 171301, 461195, 619319, 856505, 1199107, 3096595, 4335233, 5995535, 8051147, 21676165, 40255735, 56358029, 281790145]

約数ペア:

[(1, 281790145), (5, 56358029), (7, 40255735), (13, 21676165), (35, 8051147), (47, 5995535), (65, 4335233), (91, 3096595), (235, 1199107), (329, 856505), (455, 619319), (611, 461195), (1645, 171301), (3055, 92239), (4277, 65885), (13177, 21385)]