51370865

素因数分解:

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

素因数の和:286

約数の個数: 36

約数和(自身を含む): 77838516

約数和(自身を除く): 26467651

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 127, 245, 455, 635, 637, 889, 1651, 3185, 4445, 6223, 8255, 11557, 16129, 31115, 57785, 80645, 80899, 112903, 209677, 404495, 564515, 790321, 1048385, 1467739, 3951605, 7338695, 10274173, 51370865]

約数ペア:

[(1, 51370865), (5, 10274173), (7, 7338695), (13, 3951605), (35, 1467739), (49, 1048385), (65, 790321), (91, 564515), (127, 404495), (245, 209677), (455, 112903), (635, 80899), (637, 80645), (889, 57785), (1651, 31115), (3185, 16129), (4445, 11557), (6223, 8255)]