420502135

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{26339}}^1$

素因数の和:26478

約数の個数: 16

約数和(自身を含む): 525957120

約数和(自身を除く): 105454985

約数列:

[1, 5, 31, 103, 155, 515, 3193, 15965, 26339, 131695, 816509, 2712917, 4082545, 13564585, 84100427, 420502135]

約数ペア:

[(1, 420502135), (5, 84100427), (31, 13564585), (103, 4082545), (155, 2712917), (515, 816509), (3193, 131695), (15965, 26339)]