157678906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1549}}^1$

素因数の和:2230

約数の個数: 32

約数和(自身を含む): 295516800

約数和(自身を除く): 137837894

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 661, 1322, 1549, 3098, 4627, 7271, 9254, 10843, 14542, 17039, 21686, 34078, 50897, 101794, 119273, 238546, 1023889, 2047778, 7167223, 11262779, 14334446, 22525558, 78839453, 157678906]

約数ペア:

[(1, 157678906), (2, 78839453), (7, 22525558), (11, 14334446), (14, 11262779), (22, 7167223), (77, 2047778), (154, 1023889), (661, 238546), (1322, 119273), (1549, 101794), (3098, 50897), (4627, 34078), (7271, 21686), (9254, 17039), (10843, 14542)]