28777145

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 36677448

約数和(自身を除く): 7900303

約数列:

[1, 5, 31, 53, 113, 155, 265, 565, 961, 1643, 3503, 4805, 5989, 8215, 17515, 29945, 50933, 108593, 185659, 254665, 542965, 928295, 5755429, 28777145]

約数ペア:

[(1, 28777145), (5, 5755429), (31, 928295), (53, 542965), (113, 254665), (155, 185659), (265, 108593), (565, 50933), (961, 29945), (1643, 17515), (3503, 8215), (4805, 5989)]