71396479

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 92160000

約数和(自身を除く): 20763521

約数列:

[1, 7, 11, 49, 77, 127, 149, 343, 539, 889, 1043, 1397, 1639, 3773, 6223, 7301, 9779, 11473, 18923, 43561, 51107, 68453, 80311, 132461, 208153, 479171, 562177, 927227, 1457071, 6490589, 10199497, 71396479]

約数ペア:

[(1, 71396479), (7, 10199497), (11, 6490589), (49, 1457071), (77, 927227), (127, 562177), (149, 479171), (343, 208153), (539, 132461), (889, 80311), (1043, 68453), (1397, 51107), (1639, 43561), (3773, 18923), (6223, 11473), (7301, 9779)]