16563772

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 15369668

約数列:

[1, 2, 4, 23, 43, 46, 53, 79, 86, 92, 106, 158, 172, 212, 316, 989, 1219, 1817, 1978, 2279, 2438, 3397, 3634, 3956, 4187, 4558, 4876, 6794, 7268, 8374, 9116, 13588, 16748, 52417, 78131, 96301, 104834, 156262, 180041, 192602, 209668, 312524, 360082, 385204, 720164, 4140943, 8281886, 16563772]

約数ペア:

[(1, 16563772), (2, 8281886), (4, 4140943), (23, 720164), (43, 385204), (46, 360082), (53, 312524), (79, 209668), (86, 192602), (92, 180041), (106, 156262), (158, 104834), (172, 96301), (212, 78131), (316, 52417), (989, 16748), (1219, 13588), (1817, 9116), (1978, 8374), (2279, 7268), (2438, 6794), (3397, 4876), (3634, 4558), (3956, 4187)]