128217875

素因数分解:

$5^3\times {\mathrm{151}}^1\times {\mathrm{6793}}^1$

素因数の和:6959

約数の個数: 16

約数和(自身を含む): 161099328

約数和(自身を除く): 32881453

約数列:

[1, 5, 25, 125, 151, 755, 3775, 6793, 18875, 33965, 169825, 849125, 1025743, 5128715, 25643575, 128217875]

約数ペア:

[(1, 128217875), (5, 25643575), (25, 5128715), (125, 1025743), (151, 849125), (755, 169825), (3775, 33965), (6793, 18875)]