87778328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1117}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 193190400

約数和(自身を除く): 105412072

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 47, 76, 88, 94, 152, 188, 209, 376, 418, 517, 836, 893, 1034, 1117, 1672, 1786, 2068, 2234, 3572, 4136, 4468, 7144, 8936, 9823, 12287, 19646, 21223, 24574, 39292, 42446, 49148, 52499, 78584, 84892, 98296, 104998, 169784, 209996, 233453, 419992, 466906, 577489, 933812, 997481, 1154978, 1867624, 1994962, 2309956, 3989924, 4619912, 7979848, 10972291, 21944582, 43889164, 87778328]

約数ペア:

[(1, 87778328), (2, 43889164), (4, 21944582), (8, 10972291), (11, 7979848), (19, 4619912), (22, 3989924), (38, 2309956), (44, 1994962), (47, 1867624), (76, 1154978), (88, 997481), (94, 933812), (152, 577489), (188, 466906), (209, 419992), (376, 233453), (418, 209996), (517, 169784), (836, 104998), (893, 98296), (1034, 84892), (1117, 78584), (1672, 52499), (1786, 49148), (2068, 42446), (2234, 39292), (3572, 24574), (4136, 21223), (4468, 19646), (7144, 12287), (8936, 9823)]