216270978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20353}}^1$

素因数の和:20399

約数の個数: 64

約数和(自身を含む): 562747392

約数和(自身を除く): 346476414

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 3542, 5313, 10626, 20353, 40706, 61059, 122118, 142471, 223883, 284942, 427413, 447766, 468119, 671649, 854826, 936238, 1343298, 1404357, 1567181, 2808714, 3134362, 3276833, 4701543, 5149309, 6553666, 9403086, 9830499, 10298618, 15447927, 19660998, 30895854, 36045163, 72090326, 108135489, 216270978]

約数ペア:

[(1, 216270978), (2, 108135489), (3, 72090326), (6, 36045163), (7, 30895854), (11, 19660998), (14, 15447927), (21, 10298618), (22, 9830499), (23, 9403086), (33, 6553666), (42, 5149309), (46, 4701543), (66, 3276833), (69, 3134362), (77, 2808714), (138, 1567181), (154, 1404357), (161, 1343298), (231, 936238), (253, 854826), (322, 671649), (462, 468119), (483, 447766), (506, 427413), (759, 284942), (966, 223883), (1518, 142471), (1771, 122118), (3542, 61059), (5313, 40706), (10626, 20353)]