681996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 1903104

約数和(自身を除く): 1221108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 353, 483, 644, 706, 966, 1059, 1412, 1932, 2118, 2471, 4236, 4942, 7413, 8119, 9884, 14826, 16238, 24357, 29652, 32476, 48714, 56833, 97428, 113666, 170499, 227332, 340998, 681996]

約数ペア:

[(1, 681996), (2, 340998), (3, 227332), (4, 170499), (6, 113666), (7, 97428), (12, 56833), (14, 48714), (21, 32476), (23, 29652), (28, 24357), (42, 16238), (46, 14826), (69, 9884), (84, 8119), (92, 7413), (138, 4942), (161, 4236), (276, 2471), (322, 2118), (353, 1932), (483, 1412), (644, 1059), (706, 966)]