163560215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 251983872

約数和(自身を除く): 88423657

約数列:

[1, 5, 7, 13, 35, 61, 65, 71, 83, 91, 305, 355, 415, 427, 455, 497, 581, 793, 923, 1079, 2135, 2485, 2905, 3965, 4331, 4615, 5063, 5395, 5551, 5893, 6461, 7553, 21655, 25315, 27755, 29465, 30317, 32305, 35441, 37765, 41251, 56303, 65819, 76609, 151585, 177205, 206255, 281515, 329095, 359473, 383045, 394121, 460733, 536263, 1797365, 1970605, 2303665, 2516311, 2681315, 4673149, 12581555, 23365745, 32712043, 163560215]

約数ペア:

[(1, 163560215), (5, 32712043), (7, 23365745), (13, 12581555), (35, 4673149), (61, 2681315), (65, 2516311), (71, 2303665), (83, 1970605), (91, 1797365), (305, 536263), (355, 460733), (415, 394121), (427, 383045), (455, 359473), (497, 329095), (581, 281515), (793, 206255), (923, 177205), (1079, 151585), (2135, 76609), (2485, 65819), (2905, 56303), (3965, 41251), (4331, 37765), (4615, 35441), (5063, 32305), (5395, 30317), (5551, 29465), (5893, 27755), (6461, 25315), (7553, 21655)]