639987726

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{2176829}}^1$

素因数の和:2176848

約数の個数: 24

約数和(自身を含む): 1488951720

約数和(自身を除く): 848963994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 2176829, 4353658, 6530487, 13060974, 15237803, 30475606, 45713409, 91426818, 106664621, 213329242, 319993863, 639987726]

約数ペア:

[(1, 639987726), (2, 319993863), (3, 213329242), (6, 106664621), (7, 91426818), (14, 45713409), (21, 30475606), (42, 15237803), (49, 13060974), (98, 6530487), (147, 4353658), (294, 2176829)]