641141672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79903}}^1$

素因数の和:79985

約数の個数: 32

約数和(自身を含む): 1294444800

約数和(自身を除く): 653303128

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 4012, 8024, 79903, 159806, 319612, 639224, 1358351, 2716702, 4714277, 5433404, 9428554, 10866808, 18857108, 37714216, 80142709, 160285418, 320570836, 641141672]

約数ペア:

[(1, 641141672), (2, 320570836), (4, 160285418), (8, 80142709), (17, 37714216), (34, 18857108), (59, 10866808), (68, 9428554), (118, 5433404), (136, 4714277), (236, 2716702), (472, 1358351), (1003, 639224), (2006, 319612), (4012, 159806), (8024, 79903)]