128775065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 168099840

約数和(自身を除く): 39324775

約数列:

[1, 5, 19, 47, 95, 151, 191, 235, 755, 893, 955, 2869, 3629, 4465, 7097, 8977, 14345, 18145, 28841, 35485, 44885, 134843, 144205, 170563, 547979, 674215, 852815, 1355527, 2739895, 6777635, 25755013, 128775065]

約数ペア:

[(1, 128775065), (5, 25755013), (19, 6777635), (47, 2739895), (95, 1355527), (151, 852815), (191, 674215), (235, 547979), (755, 170563), (893, 144205), (955, 134843), (2869, 44885), (3629, 35485), (4465, 28841), (7097, 18145), (8977, 14345)]