221898496505

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 320414185728

約数和(自身を除く): 98515689223

約数列:

[1, 5, 7, 35, 49, 53, 103, 245, 251, 265, 371, 515, 661, 721, 1255, 1757, 1855, 2597, 3305, 3605, 4627, 5047, 5459, 8785, 12299, 12985, 13303, 23135, 25235, 25853, 27295, 32389, 35033, 38213, 61495, 66515, 68083, 93121, 129265, 161945, 165911, 175165, 180971, 191065, 245231, 267491, 340415, 465605, 476581, 651847, 829555, 904855, 1161377, 1226155, 1266797, 1337455, 1370209, 1716617, 2382905, 3259235, 3336067, 3608399, 5806885, 6333985, 6851045, 8129639, 8583085, 8793283, 9591463, 16680335, 17088833, 18041995, 25258793, 40648195, 43966415, 47957315, 61552981, 67140241, 85444165, 119621831, 126293965, 176811551, 307764905, 335701205, 430870867, 598109155, 837352817, 884057755, 905708149, 2154354335, 4186764085, 4528540745, 6339957043, 31699785215, 44379699301, 221898496505]

約数ペア:

[(1, 221898496505), (5, 44379699301), (7, 31699785215), (35, 6339957043), (49, 4528540745), (53, 4186764085), (103, 2154354335), (245, 905708149), (251, 884057755), (265, 837352817), (371, 598109155), (515, 430870867), (661, 335701205), (721, 307764905), (1255, 176811551), (1757, 126293965), (1855, 119621831), (2597, 85444165), (3305, 67140241), (3605, 61552981), (4627, 47957315), (5047, 43966415), (5459, 40648195), (8785, 25258793), (12299, 18041995), (12985, 17088833), (13303, 16680335), (23135, 9591463), (25235, 8793283), (25853, 8583085), (27295, 8129639), (32389, 6851045), (35033, 6333985), (38213, 5806885), (61495, 3608399), (66515, 3336067), (68083, 3259235), (93121, 2382905), (129265, 1716617), (161945, 1370209), (165911, 1337455), (175165, 1266797), (180971, 1226155), (191065, 1161377), (245231, 904855), (267491, 829555), (340415, 651847), (465605, 476581)]