201991508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{5413}}^1$

素因数の和:5927

約数の個数: 24

約数和(自身を含む): 372916320

約数和(自身を除く): 170924812

約数列:

[1, 2, 4, 19, 38, 76, 491, 982, 1964, 5413, 9329, 10826, 18658, 21652, 37316, 102847, 205694, 411388, 2657783, 5315566, 10631132, 50497877, 100995754, 201991508]

約数ペア:

[(1, 201991508), (2, 100995754), (4, 50497877), (19, 10631132), (38, 5315566), (76, 2657783), (491, 411388), (982, 205694), (1964, 102847), (5413, 37316), (9329, 21652), (10826, 18658)]