71328845

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 100970496

約数和(自身を除く): 29641651

約数列:

[1, 5, 7, 35, 47, 131, 235, 329, 331, 655, 917, 1645, 1655, 2317, 4585, 6157, 11585, 15557, 30785, 43099, 43361, 77785, 108899, 215495, 216805, 303527, 544495, 1517635, 2037967, 10189835, 14265769, 71328845]

約数ペア:

[(1, 71328845), (5, 14265769), (7, 10189835), (35, 2037967), (47, 1517635), (131, 544495), (235, 303527), (329, 216805), (331, 215495), (655, 108899), (917, 77785), (1645, 43361), (1655, 43099), (2317, 30785), (4585, 15557), (6157, 11585)]