686826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 1843200

約数和(自身を除く): 1156374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 79, 126, 138, 158, 161, 189, 207, 237, 322, 378, 414, 474, 483, 553, 621, 711, 966, 1106, 1242, 1422, 1449, 1659, 1817, 2133, 2898, 3318, 3634, 4266, 4347, 4977, 5451, 8694, 9954, 10902, 12719, 14931, 16353, 25438, 29862, 32706, 38157, 49059, 76314, 98118, 114471, 228942, 343413, 686826]

約数ペア:

[(1, 686826), (2, 343413), (3, 228942), (6, 114471), (7, 98118), (9, 76314), (14, 49059), (18, 38157), (21, 32706), (23, 29862), (27, 25438), (42, 16353), (46, 14931), (54, 12719), (63, 10902), (69, 9954), (79, 8694), (126, 5451), (138, 4977), (158, 4347), (161, 4266), (189, 3634), (207, 3318), (237, 2898), (322, 2133), (378, 1817), (414, 1659), (474, 1449), (483, 1422), (553, 1242), (621, 1106), (711, 966)]