68830775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 97389600

約数和(自身を除く): 28558825

約数列:

[1, 5, 13, 25, 29, 65, 67, 109, 145, 325, 335, 377, 545, 725, 871, 1417, 1675, 1885, 1943, 2725, 3161, 4355, 7085, 7303, 9425, 9715, 15805, 21775, 25259, 35425, 36515, 41093, 48575, 79025, 94939, 126295, 182575, 205465, 211787, 474695, 631475, 1027325, 1058935, 2373475, 2753231, 5294675, 13766155, 68830775]

約数ペア:

[(1, 68830775), (5, 13766155), (13, 5294675), (25, 2753231), (29, 2373475), (65, 1058935), (67, 1027325), (109, 631475), (145, 474695), (325, 211787), (335, 205465), (377, 182575), (545, 126295), (725, 94939), (871, 79025), (1417, 48575), (1675, 41093), (1885, 36515), (1943, 35425), (2725, 25259), (3161, 21775), (4355, 15805), (7085, 9715), (7303, 9425)]