991202836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{174877}}^1$

素因数の和:175003

約数の個数: 24

約数和(自身を含む): 1885184840

約数和(自身を除く): 893982004

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 174877, 349754, 699508, 2273401, 4546802, 9093604, 19061593, 38123186, 76246372, 247800709, 495601418, 991202836]

約数ペア:

[(1, 991202836), (2, 495601418), (4, 247800709), (13, 76246372), (26, 38123186), (52, 19061593), (109, 9093604), (218, 4546802), (436, 2273401), (1417, 699508), (2834, 349754), (5668, 174877)]