28568696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 60419520

約数和(自身を除く): 31850824

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 71, 73, 104, 106, 142, 146, 212, 284, 292, 424, 568, 584, 689, 923, 949, 1378, 1846, 1898, 2756, 3692, 3763, 3796, 3869, 5183, 5512, 7384, 7526, 7592, 7738, 10366, 15052, 15476, 20732, 30104, 30952, 41464, 48919, 50297, 67379, 97838, 100594, 134758, 195676, 201188, 269516, 274699, 391352, 402376, 539032, 549398, 1098796, 2197592, 3571087, 7142174, 14284348, 28568696]

約数ペア:

[(1, 28568696), (2, 14284348), (4, 7142174), (8, 3571087), (13, 2197592), (26, 1098796), (52, 549398), (53, 539032), (71, 402376), (73, 391352), (104, 274699), (106, 269516), (142, 201188), (146, 195676), (212, 134758), (284, 100594), (292, 97838), (424, 67379), (568, 50297), (584, 48919), (689, 41464), (923, 30952), (949, 30104), (1378, 20732), (1846, 15476), (1898, 15052), (2756, 10366), (3692, 7738), (3763, 7592), (3796, 7526), (3869, 7384), (5183, 5512)]