128515190

素因数分解:

$2^1\times 5^1\times {\mathrm{2383}}^1\times {\mathrm{5393}}^1$

素因数の和:7783

約数の個数: 16

約数和(自身を含む): 231467328

約数和(自身を除く): 102952138

約数列:

[1, 2, 5, 10, 2383, 4766, 5393, 10786, 11915, 23830, 26965, 53930, 12851519, 25703038, 64257595, 128515190]

約数ペア:

[(1, 128515190), (2, 64257595), (5, 25703038), (10, 12851519), (2383, 53930), (4766, 26965), (5393, 23830), (10786, 11915)]