397289986

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149021}}^1$

素因数の和:149097

約数の個数: 16

約数和(自身を含む): 629468928

約数和(自身を除く): 232178942

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 149021, 298042, 4619651, 6407903, 9239302, 12815806, 198644993, 397289986]

約数ペア:

[(1, 397289986), (2, 198644993), (31, 12815806), (43, 9239302), (62, 6407903), (86, 4619651), (1333, 298042), (2666, 149021)]