77761775

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 127648080

約数和(自身を除く): 49886305

約数列:

[1, 5, 7, 13, 19, 25, 35, 49, 65, 91, 95, 133, 175, 245, 247, 257, 325, 455, 475, 637, 665, 931, 1225, 1235, 1285, 1729, 1799, 2275, 3185, 3325, 3341, 4655, 4883, 6175, 6425, 8645, 8995, 12103, 12593, 15925, 16705, 23275, 23387, 24415, 34181, 43225, 44975, 60515, 62965, 63479, 83525, 116935, 122075, 163709, 170905, 239267, 302575, 314825, 317395, 444353, 584675, 818545, 854525, 1196335, 1586975, 2221765, 3110471, 4092725, 5981675, 11108825, 15552355, 77761775]

約数ペア:

[(1, 77761775), (5, 15552355), (7, 11108825), (13, 5981675), (19, 4092725), (25, 3110471), (35, 2221765), (49, 1586975), (65, 1196335), (91, 854525), (95, 818545), (133, 584675), (175, 444353), (245, 317395), (247, 314825), (257, 302575), (325, 239267), (455, 170905), (475, 163709), (637, 122075), (665, 116935), (931, 83525), (1225, 63479), (1235, 62965), (1285, 60515), (1729, 44975), (1799, 43225), (2275, 34181), (3185, 24415), (3325, 23387), (3341, 23275), (4655, 16705), (4883, 15925), (6175, 12593), (6425, 12103), (8645, 8995)]