239968885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 318060288

約数和(自身を除く): 78091403

約数列:

[1, 5, 13, 65, 73, 103, 365, 491, 515, 949, 1339, 2455, 4745, 6383, 6695, 7519, 31915, 35843, 37595, 50573, 97747, 179215, 252865, 465959, 488735, 657449, 2329795, 3287245, 3691829, 18459145, 47993777, 239968885]

約数ペア:

[(1, 239968885), (5, 47993777), (13, 18459145), (65, 3691829), (73, 3287245), (103, 2329795), (365, 657449), (491, 488735), (515, 465959), (949, 252865), (1339, 179215), (2455, 97747), (4745, 50573), (6383, 37595), (6695, 35843), (7519, 31915)]