72706396

素因数分解:

$2^2\times 7^3\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 149688000

約数和(自身を除く): 76981604

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 269, 343, 394, 538, 686, 788, 1076, 1372, 1379, 1883, 2758, 3766, 5516, 7532, 9653, 13181, 19306, 26362, 38612, 52724, 52993, 67571, 92267, 105986, 135142, 184534, 211972, 270284, 369068, 370951, 741902, 1483804, 2596657, 5193314, 10386628, 18176599, 36353198, 72706396]

約数ペア:

[(1, 72706396), (2, 36353198), (4, 18176599), (7, 10386628), (14, 5193314), (28, 2596657), (49, 1483804), (98, 741902), (196, 370951), (197, 369068), (269, 270284), (343, 211972), (394, 184534), (538, 135142), (686, 105986), (788, 92267), (1076, 67571), (1372, 52993), (1379, 52724), (1883, 38612), (2758, 26362), (3766, 19306), (5516, 13181), (7532, 9653)]