28234955

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 40808448

約数和(自身を除く): 12573493

約数列:

[1, 5, 7, 31, 35, 53, 155, 217, 265, 371, 491, 1085, 1643, 1855, 2455, 3437, 8215, 11501, 15221, 17185, 26023, 57505, 76105, 106547, 130115, 182161, 532735, 806713, 910805, 4033565, 5646991, 28234955]

約数ペア:

[(1, 28234955), (5, 5646991), (7, 4033565), (31, 910805), (35, 806713), (53, 532735), (155, 182161), (217, 130115), (265, 106547), (371, 76105), (491, 57505), (1085, 26023), (1643, 17185), (1855, 15221), (2455, 11501), (3437, 8215)]