81330388

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{613}}^1\times {\mathrm{809}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 146217960

約数和(自身を除く): 64887572

約数列:

[1, 2, 4, 41, 82, 164, 613, 809, 1226, 1618, 2452, 3236, 25133, 33169, 50266, 66338, 100532, 132676, 495917, 991834, 1983668, 20332597, 40665194, 81330388]

約数ペア:

[(1, 81330388), (2, 40665194), (4, 20332597), (41, 1983668), (82, 991834), (164, 495917), (613, 132676), (809, 100532), (1226, 66338), (1618, 50266), (2452, 33169), (3236, 25133)]