71163925

素因数分解:

$5^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 105846400

約数和(自身を除く): 34682475

約数列:

[1, 5, 7, 25, 35, 43, 49, 175, 193, 215, 245, 301, 343, 965, 1075, 1225, 1351, 1505, 1715, 2107, 4825, 6755, 7525, 8299, 8575, 9457, 10535, 14749, 33775, 41495, 47285, 52675, 58093, 66199, 73745, 207475, 236425, 290465, 330995, 368725, 406651, 1452325, 1654975, 2033255, 2846557, 10166275, 14232785, 71163925]

約数ペア:

[(1, 71163925), (5, 14232785), (7, 10166275), (25, 2846557), (35, 2033255), (43, 1654975), (49, 1452325), (175, 406651), (193, 368725), (215, 330995), (245, 290465), (301, 236425), (343, 207475), (965, 73745), (1075, 66199), (1225, 58093), (1351, 52675), (1505, 47285), (1715, 41495), (2107, 33775), (4825, 14749), (6755, 10535), (7525, 9457), (8299, 8575)]