20160413245

素因数分解:

$5^1\times 7^3\times {\mathrm{647}}^1\times {\mathrm{18169}}^1$

素因数の和:18842

約数の個数: 32

約数和(自身を含む): 28257984000

約数和(自身を除く): 8097570755

約数列:

[1, 5, 7, 35, 49, 245, 343, 647, 1715, 3235, 4529, 18169, 22645, 31703, 90845, 127183, 158515, 221921, 635915, 890281, 1109605, 4451405, 6231967, 11755343, 31159835, 58776715, 82287401, 411437005, 576011807, 2880059035, 4032082649, 20160413245]

約数ペア:

[(1, 20160413245), (5, 4032082649), (7, 2880059035), (35, 576011807), (49, 411437005), (245, 82287401), (343, 58776715), (647, 31159835), (1715, 11755343), (3235, 6231967), (4529, 4451405), (18169, 1109605), (22645, 890281), (31703, 635915), (90845, 221921), (127183, 158515)]