78520036

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 161021952

約数和(自身を除く): 82501916

約数列:

[1, 2, 4, 7, 14, 28, 71, 127, 142, 254, 284, 311, 497, 508, 622, 889, 994, 1244, 1778, 1988, 2177, 3556, 4354, 8708, 9017, 18034, 22081, 36068, 39497, 44162, 63119, 78994, 88324, 126238, 154567, 157988, 252476, 276479, 309134, 552958, 618268, 1105916, 2804287, 5608574, 11217148, 19630009, 39260018, 78520036]

約数ペア:

[(1, 78520036), (2, 39260018), (4, 19630009), (7, 11217148), (14, 5608574), (28, 2804287), (71, 1105916), (127, 618268), (142, 552958), (254, 309134), (284, 276479), (311, 252476), (497, 157988), (508, 154567), (622, 126238), (889, 88324), (994, 78994), (1244, 63119), (1778, 44162), (1988, 39497), (2177, 36068), (3556, 22081), (4354, 18034), (8708, 9017)]