28249495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 9386345

約数列:

[1, 5, 17, 43, 59, 85, 131, 215, 295, 655, 731, 1003, 2227, 2537, 3655, 5015, 5633, 7729, 11135, 12685, 28165, 38645, 43129, 95761, 131393, 215645, 332347, 478805, 656965, 1661735, 5649899, 28249495]

約数ペア:

[(1, 28249495), (5, 5649899), (17, 1661735), (43, 656965), (59, 478805), (85, 332347), (131, 215645), (215, 131393), (295, 95761), (655, 43129), (731, 38645), (1003, 28165), (2227, 12685), (2537, 11135), (3655, 7729), (5015, 5633)]