28362155

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 9273685

約数列:

[1, 5, 19, 43, 53, 95, 131, 215, 265, 655, 817, 1007, 2279, 2489, 4085, 5035, 5633, 6943, 11395, 12445, 28165, 34715, 43301, 107027, 131917, 216505, 298549, 535135, 659585, 1492745, 5672431, 28362155]

約数ペア:

[(1, 28362155), (5, 5672431), (19, 1492745), (43, 659585), (53, 535135), (95, 298549), (131, 216505), (215, 131917), (265, 107027), (655, 43301), (817, 34715), (1007, 28165), (2279, 12445), (2489, 11395), (4085, 6943), (5035, 5633)]