66576895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 105753600

約数和(自身を除く): 39176705

約数列:

[1, 5, 7, 11, 29, 35, 55, 67, 77, 89, 145, 203, 319, 335, 385, 445, 469, 623, 737, 979, 1015, 1595, 1943, 2233, 2345, 2581, 3115, 3685, 4895, 5159, 5963, 6853, 9715, 11165, 12905, 13601, 18067, 21373, 25795, 28391, 29815, 34265, 41741, 65593, 68005, 90335, 106865, 141955, 149611, 172927, 198737, 208705, 327965, 459151, 748055, 864635, 993685, 1210489, 1902197, 2295755, 6052445, 9510985, 13315379, 66576895]

約数ペア:

[(1, 66576895), (5, 13315379), (7, 9510985), (11, 6052445), (29, 2295755), (35, 1902197), (55, 1210489), (67, 993685), (77, 864635), (89, 748055), (145, 459151), (203, 327965), (319, 208705), (335, 198737), (385, 172927), (445, 149611), (469, 141955), (623, 106865), (737, 90335), (979, 68005), (1015, 65593), (1595, 41741), (1943, 34265), (2233, 29815), (2345, 28391), (2581, 25795), (3115, 21373), (3685, 18067), (4895, 13601), (5159, 12905), (5963, 11165), (6853, 9715)]