212945564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{61121}}^1$

素因数の和:61205

約数の個数: 24

約数和(自身を含む): 407317008

約数和(自身を除く): 194371444

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 61121, 122242, 244484, 794573, 1589146, 3178292, 4095107, 8190214, 16380428, 53236391, 106472782, 212945564]

約数ペア:

[(1, 212945564), (2, 106472782), (4, 53236391), (13, 16380428), (26, 8190214), (52, 4095107), (67, 3178292), (134, 1589146), (268, 794573), (871, 244484), (1742, 122242), (3484, 61121)]