77962885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 129314304

約数和(自身を除く): 51351419

約数列:

[1, 5, 7, 11, 13, 35, 37, 55, 65, 77, 91, 143, 185, 259, 385, 407, 421, 455, 481, 715, 1001, 1295, 2035, 2105, 2405, 2849, 2947, 3367, 4631, 5005, 5291, 5473, 14245, 14735, 15577, 16835, 23155, 26455, 27365, 32417, 37037, 38311, 60203, 77885, 109039, 162085, 171347, 185185, 191555, 202501, 301015, 421421, 545195, 856735, 1012505, 1199429, 1417507, 2107105, 2227511, 5997145, 7087535, 11137555, 15592577, 77962885]

約数ペア:

[(1, 77962885), (5, 15592577), (7, 11137555), (11, 7087535), (13, 5997145), (35, 2227511), (37, 2107105), (55, 1417507), (65, 1199429), (77, 1012505), (91, 856735), (143, 545195), (185, 421421), (259, 301015), (385, 202501), (407, 191555), (421, 185185), (455, 171347), (481, 162085), (715, 109039), (1001, 77885), (1295, 60203), (2035, 38311), (2105, 37037), (2405, 32417), (2849, 27365), (2947, 26455), (3367, 23155), (4631, 16835), (5005, 15577), (5291, 14735), (5473, 14245)]