23291905

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 12560639

約数列:

[1, 5, 7, 13, 35, 49, 65, 71, 91, 103, 245, 355, 455, 497, 515, 637, 721, 923, 1339, 2485, 3185, 3479, 3605, 4615, 5047, 6461, 6695, 7313, 9373, 17395, 25235, 32305, 36565, 45227, 46865, 51191, 65611, 95069, 226135, 255955, 328055, 358337, 475345, 665483, 1791685, 3327415, 4658381, 23291905]

約数ペア:

[(1, 23291905), (5, 4658381), (7, 3327415), (13, 1791685), (35, 665483), (49, 475345), (65, 358337), (71, 328055), (91, 255955), (103, 226135), (245, 95069), (355, 65611), (455, 51191), (497, 46865), (515, 45227), (637, 36565), (721, 32305), (923, 25235), (1339, 17395), (2485, 9373), (3185, 7313), (3479, 6695), (3605, 6461), (4615, 5047)]