78139438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{431}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 133539840

約数和(自身を除く): 55400402

約数列:

[1, 2, 13, 19, 26, 38, 247, 367, 431, 494, 734, 862, 4771, 5603, 6973, 8189, 9542, 11206, 13946, 16378, 90649, 106457, 158177, 181298, 212914, 316354, 2056301, 3005363, 4112602, 6010726, 39069719, 78139438]

約数ペア:

[(1, 78139438), (2, 39069719), (13, 6010726), (19, 4112602), (26, 3005363), (38, 2056301), (247, 316354), (367, 212914), (431, 181298), (494, 158177), (734, 106457), (862, 90649), (4771, 16378), (5603, 13946), (6973, 11206), (8189, 9542)]