72011995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 100154880

約数和(自身を除く): 28142885

約数列:

[1, 5, 11, 19, 55, 95, 137, 209, 503, 685, 1045, 1507, 2515, 2603, 5533, 7535, 9557, 13015, 27665, 28633, 47785, 68911, 105127, 143165, 344555, 525635, 758021, 1309309, 3790105, 6546545, 14402399, 72011995]

約数ペア:

[(1, 72011995), (5, 14402399), (11, 6546545), (19, 3790105), (55, 1309309), (95, 758021), (137, 525635), (209, 344555), (503, 143165), (685, 105127), (1045, 68911), (1507, 47785), (2515, 28633), (2603, 27665), (5533, 13015), (7535, 9557)]