71644075

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 91400400

約数和(自身を除く): 19756325

約数列:

[1, 5, 25, 53, 139, 265, 389, 695, 1325, 1945, 3475, 7367, 9725, 20617, 36835, 54071, 103085, 184175, 270355, 515425, 1351775, 2865763, 14328815, 71644075]

約数ペア:

[(1, 71644075), (5, 14328815), (25, 2865763), (53, 1351775), (139, 515425), (265, 270355), (389, 184175), (695, 103085), (1325, 54071), (1945, 36835), (3475, 20617), (7367, 9725)]