128549618

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 205856640

約数和(自身を除く): 77307022

約数列:

[1, 2, 37, 43, 71, 74, 86, 142, 569, 1138, 1591, 2627, 3053, 3182, 5254, 6106, 21053, 24467, 40399, 42106, 48934, 80798, 112961, 225922, 905279, 1494763, 1737157, 1810558, 2989526, 3474314, 64274809, 128549618]

約数ペア:

[(1, 128549618), (2, 64274809), (37, 3474314), (43, 2989526), (71, 1810558), (74, 1737157), (86, 1494763), (142, 905279), (569, 225922), (1138, 112961), (1591, 80798), (2627, 48934), (3053, 42106), (3182, 40399), (5254, 24467), (6106, 21053)]