71350825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 110548480

約数和(自身を除く): 39197655

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 175, 325, 395, 397, 455, 553, 1027, 1975, 1985, 2275, 2765, 2779, 5135, 5161, 7189, 9925, 13825, 13895, 25675, 25805, 31363, 35945, 36127, 69475, 129025, 156815, 179725, 180635, 219541, 407719, 784075, 903175, 1097705, 2038595, 2854033, 5488525, 10192975, 14270165, 71350825]

約数ペア:

[(1, 71350825), (5, 14270165), (7, 10192975), (13, 5488525), (25, 2854033), (35, 2038595), (65, 1097705), (79, 903175), (91, 784075), (175, 407719), (325, 219541), (395, 180635), (397, 179725), (455, 156815), (553, 129025), (1027, 69475), (1975, 36127), (1985, 35945), (2275, 31363), (2765, 25805), (2779, 25675), (5135, 13895), (5161, 13825), (7189, 9925)]