291031904

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1699}}^1$

素因数の和:1863

約数の個数: 48

約数和(自身を含む): 589906800

約数和(自身を除く): 298874896

約数列:

[1, 2, 4, 8, 16, 32, 53, 101, 106, 202, 212, 404, 424, 808, 848, 1616, 1696, 1699, 3232, 3398, 5353, 6796, 10706, 13592, 21412, 27184, 42824, 54368, 85648, 90047, 171296, 171599, 180094, 343198, 360188, 686396, 720376, 1372792, 1440752, 2745584, 2881504, 5491168, 9094747, 18189494, 36378988, 72757976, 145515952, 291031904]

約数ペア:

[(1, 291031904), (2, 145515952), (4, 72757976), (8, 36378988), (16, 18189494), (32, 9094747), (53, 5491168), (101, 2881504), (106, 2745584), (202, 1440752), (212, 1372792), (404, 720376), (424, 686396), (808, 360188), (848, 343198), (1616, 180094), (1696, 171599), (1699, 171296), (3232, 90047), (3398, 85648), (5353, 54368), (6796, 42824), (10706, 27184), (13592, 21412)]