156964405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 210228480

約数和(自身を除く): 53264075

約数列:

[1, 5, 13, 43, 65, 89, 215, 445, 559, 631, 1157, 2795, 3155, 3827, 5785, 8203, 19135, 27133, 41015, 49751, 56159, 135665, 248755, 280795, 352729, 730067, 1763645, 2414837, 3650335, 12074185, 31392881, 156964405]

約数ペア:

[(1, 156964405), (5, 31392881), (13, 12074185), (43, 3650335), (65, 2414837), (89, 1763645), (215, 730067), (445, 352729), (559, 280795), (631, 248755), (1157, 135665), (2795, 56159), (3155, 49751), (3827, 41015), (5785, 27133), (8203, 19135)]