15678078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 20609922

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 71, 78, 114, 142, 149, 213, 247, 298, 426, 447, 494, 741, 894, 923, 1349, 1482, 1846, 1937, 2698, 2769, 2831, 3874, 4047, 5538, 5662, 5811, 8094, 8493, 10579, 11622, 16986, 17537, 21158, 31737, 35074, 36803, 52611, 63474, 73606, 105222, 110409, 137527, 201001, 220818, 275054, 402002, 412581, 603003, 825162, 1206006, 2613013, 5226026, 7839039, 15678078]

約数ペア:

[(1, 15678078), (2, 7839039), (3, 5226026), (6, 2613013), (13, 1206006), (19, 825162), (26, 603003), (38, 412581), (39, 402002), (57, 275054), (71, 220818), (78, 201001), (114, 137527), (142, 110409), (149, 105222), (213, 73606), (247, 63474), (298, 52611), (426, 36803), (447, 35074), (494, 31737), (741, 21158), (894, 17537), (923, 16986), (1349, 11622), (1482, 10579), (1846, 8493), (1937, 8094), (2698, 5811), (2769, 5662), (2831, 5538), (3874, 4047)]