8390305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 64

約数和(自身を含む): 14008320

約数和(自身を除く): 5618015

約数列:

[1, 5, 7, 11, 19, 31, 35, 37, 55, 77, 95, 133, 155, 185, 209, 217, 259, 341, 385, 407, 589, 665, 703, 1045, 1085, 1147, 1295, 1463, 1705, 2035, 2387, 2849, 2945, 3515, 4123, 4921, 5735, 6479, 7315, 7733, 8029, 11935, 12617, 14245, 20615, 21793, 24605, 32395, 38665, 40145, 45353, 54131, 63085, 88319, 108965, 152551, 226765, 239723, 270655, 441595, 762755, 1198615, 1678061, 8390305]

約数ペア:

[(1, 8390305), (5, 1678061), (7, 1198615), (11, 762755), (19, 441595), (31, 270655), (35, 239723), (37, 226765), (55, 152551), (77, 108965), (95, 88319), (133, 63085), (155, 54131), (185, 45353), (209, 40145), (217, 38665), (259, 32395), (341, 24605), (385, 21793), (407, 20615), (589, 14245), (665, 12617), (703, 11935), (1045, 8029), (1085, 7733), (1147, 7315), (1295, 6479), (1463, 5735), (1705, 4921), (2035, 4123), (2387, 3515), (2849, 2945)]