78640146

素因数分解:

$2^1\times 3^8\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:500

約数の個数: 72

約数和(自身を含む): 190954764

約数和(自身を除く): 112314618

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 461, 486, 702, 729, 922, 1053, 1383, 1458, 2106, 2187, 2766, 3159, 4149, 4374, 5993, 6318, 6561, 8298, 9477, 11986, 12447, 13122, 17979, 18954, 24894, 28431, 35958, 37341, 53937, 56862, 74682, 85293, 107874, 112023, 161811, 170586, 224046, 323622, 336069, 485433, 672138, 970866, 1008207, 1456299, 2016414, 2912598, 3024621, 4368897, 6049242, 8737794, 13106691, 26213382, 39320073, 78640146]

約数ペア:

[(1, 78640146), (2, 39320073), (3, 26213382), (6, 13106691), (9, 8737794), (13, 6049242), (18, 4368897), (26, 3024621), (27, 2912598), (39, 2016414), (54, 1456299), (78, 1008207), (81, 970866), (117, 672138), (162, 485433), (234, 336069), (243, 323622), (351, 224046), (461, 170586), (486, 161811), (702, 112023), (729, 107874), (922, 85293), (1053, 74682), (1383, 56862), (1458, 53937), (2106, 37341), (2187, 35958), (2766, 28431), (3159, 24894), (4149, 18954), (4374, 17979), (5993, 13122), (6318, 12447), (6561, 11986), (8298, 9477)]