64894115

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 95096064

約数和(自身を除く): 30201949

約数列:

[1, 5, 11, 13, 37, 55, 65, 121, 143, 185, 223, 407, 481, 605, 715, 1115, 1573, 2035, 2405, 2453, 2899, 4477, 5291, 7865, 8251, 12265, 14495, 22385, 26455, 26983, 31889, 41255, 58201, 90761, 107263, 134915, 159445, 291005, 350779, 453805, 536315, 998371, 1179893, 1753895, 4991855, 5899465, 12978823, 64894115]

約数ペア:

[(1, 64894115), (5, 12978823), (11, 5899465), (13, 4991855), (37, 1753895), (55, 1179893), (65, 998371), (121, 536315), (143, 453805), (185, 350779), (223, 291005), (407, 159445), (481, 134915), (605, 107263), (715, 90761), (1115, 58201), (1573, 41255), (2035, 31889), (2405, 26983), (2453, 26455), (2899, 22385), (4477, 14495), (5291, 12265), (7865, 8251)]