64821407

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3271}}^1$

素因数の和:3446

約数の個数: 16

約数和(自身を含む): 78528000

約数和(自身を除く): 13706593

約数列:

[1, 7, 19, 133, 149, 1043, 2831, 3271, 19817, 22897, 62149, 435043, 487379, 3411653, 9260201, 64821407]

約数ペア:

[(1, 64821407), (7, 9260201), (19, 3411653), (133, 487379), (149, 435043), (1043, 62149), (2831, 22897), (3271, 19817)]