212591015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 319315968

約数和(自身を除く): 106724953

約数列:

[1, 5, 7, 13, 35, 65, 91, 127, 169, 283, 455, 635, 845, 889, 1183, 1415, 1651, 1981, 3679, 4445, 5915, 8255, 9905, 11557, 18395, 21463, 25753, 35941, 47827, 57785, 107315, 128765, 150241, 179705, 239135, 251587, 334789, 467233, 751205, 1257935, 1673945, 2336165, 3270631, 6074029, 16353155, 30370145, 42518203, 212591015]

約数ペア:

[(1, 212591015), (5, 42518203), (7, 30370145), (13, 16353155), (35, 6074029), (65, 3270631), (91, 2336165), (127, 1673945), (169, 1257935), (283, 751205), (455, 467233), (635, 334789), (845, 251587), (889, 239135), (1183, 179705), (1415, 150241), (1651, 128765), (1981, 107315), (3679, 57785), (4445, 47827), (5915, 35941), (8255, 25753), (9905, 21463), (11557, 18395)]