31729775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 50139648

約数和(自身を除く): 18409873

約数列:

[1, 5, 7, 11, 25, 35, 53, 55, 77, 175, 265, 275, 311, 371, 385, 583, 1325, 1555, 1855, 1925, 2177, 2915, 3421, 4081, 7775, 9275, 10885, 14575, 16483, 17105, 20405, 23947, 54425, 82415, 85525, 102025, 115381, 119735, 181313, 412075, 576905, 598675, 906565, 1269191, 2884525, 4532825, 6345955, 31729775]

約数ペア:

[(1, 31729775), (5, 6345955), (7, 4532825), (11, 2884525), (25, 1269191), (35, 906565), (53, 598675), (55, 576905), (77, 412075), (175, 181313), (265, 119735), (275, 115381), (311, 102025), (371, 85525), (385, 82415), (583, 54425), (1325, 23947), (1555, 20405), (1855, 17105), (1925, 16483), (2177, 14575), (2915, 10885), (3421, 9275), (4081, 7775)]