8440642

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2062

約数の個数: 24

約数和(自身を含む): 15078096

約数和(自身を除く): 6637454

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2003, 2107, 4006, 4214, 14021, 28042, 86129, 98147, 172258, 196294, 602903, 1205806, 4220321, 8440642]

約数ペア:

[(1, 8440642), (2, 4220321), (7, 1205806), (14, 602903), (43, 196294), (49, 172258), (86, 98147), (98, 86129), (301, 28042), (602, 14021), (2003, 4214), (2107, 4006)]