63220885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 100638720

約数和(自身を除く): 37417835

約数列:

[1, 5, 7, 13, 19, 35, 65, 71, 91, 95, 103, 133, 247, 355, 455, 497, 515, 665, 721, 923, 1235, 1339, 1349, 1729, 1957, 2485, 3605, 4615, 6461, 6695, 6745, 7313, 8645, 9373, 9443, 9785, 13699, 17537, 25441, 32305, 36565, 46865, 47215, 51191, 68495, 87685, 95069, 122759, 127205, 138947, 178087, 255955, 475345, 613795, 665483, 694735, 890435, 972629, 1806311, 3327415, 4863145, 9031555, 12644177, 63220885]

約数ペア:

[(1, 63220885), (5, 12644177), (7, 9031555), (13, 4863145), (19, 3327415), (35, 1806311), (65, 972629), (71, 890435), (91, 694735), (95, 665483), (103, 613795), (133, 475345), (247, 255955), (355, 178087), (455, 138947), (497, 127205), (515, 122759), (665, 95069), (721, 87685), (923, 68495), (1235, 51191), (1339, 47215), (1349, 46865), (1729, 36565), (1957, 32305), (2485, 25441), (3605, 17537), (4615, 13699), (6461, 9785), (6695, 9443), (6745, 9373), (7313, 8645)]