73980205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 103420800

約数和(自身を除く): 29440595

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 481, 703, 1235, 1619, 2405, 3515, 8095, 9139, 21047, 30761, 45695, 59903, 105235, 153805, 299515, 399893, 778739, 1138157, 1999465, 3893695, 5690785, 14796041, 73980205]

約数ペア:

[(1, 73980205), (5, 14796041), (13, 5690785), (19, 3893695), (37, 1999465), (65, 1138157), (95, 778739), (185, 399893), (247, 299515), (481, 153805), (703, 105235), (1235, 59903), (1619, 45695), (2405, 30761), (3515, 21047), (8095, 9139)]