389740218

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{30829}}^1$

素因数の和:30891

約数の個数: 48

約数和(自身を含む): 927859680

約数和(自身を除く): 538119462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1806, 2107, 4214, 6321, 12642, 30829, 61658, 92487, 184974, 215803, 431606, 647409, 1294818, 1325647, 1510621, 2651294, 3021242, 3976941, 4531863, 7953882, 9063726, 9279529, 18559058, 27838587, 55677174, 64956703, 129913406, 194870109, 389740218]

約数ペア:

[(1, 389740218), (2, 194870109), (3, 129913406), (6, 64956703), (7, 55677174), (14, 27838587), (21, 18559058), (42, 9279529), (43, 9063726), (49, 7953882), (86, 4531863), (98, 3976941), (129, 3021242), (147, 2651294), (258, 1510621), (294, 1325647), (301, 1294818), (602, 647409), (903, 431606), (1806, 215803), (2107, 184974), (4214, 92487), (6321, 61658), (12642, 30829)]