39378605

素因数分解:

$5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 55569528

約数和(自身を除く): 16190923

約数列:

[1, 5, 7, 35, 49, 97, 245, 485, 679, 1657, 3395, 4753, 8285, 11599, 23765, 57995, 81193, 160729, 405965, 803645, 1125103, 5625515, 7875721, 39378605]

約数ペア:

[(1, 39378605), (5, 7875721), (7, 5625515), (35, 1125103), (49, 803645), (97, 405965), (245, 160729), (485, 81193), (679, 57995), (1657, 23765), (3395, 11599), (4753, 8285)]