78040528

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1693}}^1$

素因数の和:1811

約数の個数: 40

約数和(自身を含む): 157121888

約数和(自身を除く): 79081360

約数列:

[1, 2, 4, 8, 16, 43, 67, 86, 134, 172, 268, 344, 536, 688, 1072, 1693, 2881, 3386, 5762, 6772, 11524, 13544, 23048, 27088, 46096, 72799, 113431, 145598, 226862, 291196, 453724, 582392, 907448, 1164784, 1814896, 4877533, 9755066, 19510132, 39020264, 78040528]

約数ペア:

[(1, 78040528), (2, 39020264), (4, 19510132), (8, 9755066), (16, 4877533), (43, 1814896), (67, 1164784), (86, 907448), (134, 582392), (172, 453724), (268, 291196), (344, 226862), (536, 145598), (688, 113431), (1072, 72799), (1693, 46096), (2881, 27088), (3386, 23048), (5762, 13544), (6772, 11524)]