72912385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 113992704

約数和(自身を除く): 41080319

約数列:

[1, 5, 7, 13, 35, 37, 61, 65, 71, 91, 185, 259, 305, 355, 427, 455, 481, 497, 793, 923, 1295, 2135, 2257, 2405, 2485, 2627, 3367, 3965, 4331, 4615, 5551, 6461, 11285, 13135, 15799, 16835, 18389, 21655, 27755, 29341, 30317, 32305, 34151, 56303, 78995, 91945, 146705, 151585, 160247, 170755, 205387, 239057, 281515, 394121, 801235, 1026935, 1121729, 1195285, 1970605, 2083211, 5608645, 10416055, 14582477, 72912385]

約数ペア:

[(1, 72912385), (5, 14582477), (7, 10416055), (13, 5608645), (35, 2083211), (37, 1970605), (61, 1195285), (65, 1121729), (71, 1026935), (91, 801235), (185, 394121), (259, 281515), (305, 239057), (355, 205387), (427, 170755), (455, 160247), (481, 151585), (497, 146705), (793, 91945), (923, 78995), (1295, 56303), (2135, 34151), (2257, 32305), (2405, 30317), (2485, 29341), (2627, 27755), (3367, 21655), (3965, 18389), (4331, 16835), (4615, 15799), (5551, 13135), (6461, 11285)]