25277555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 8688013

約数列:

[1, 5, 17, 31, 53, 85, 155, 181, 265, 527, 901, 905, 1643, 2635, 3077, 4505, 5611, 8215, 9593, 15385, 27931, 28055, 47965, 95387, 139655, 163081, 297383, 476935, 815405, 1486915, 5055511, 25277555]

約数ペア:

[(1, 25277555), (5, 5055511), (17, 1486915), (31, 815405), (53, 476935), (85, 297383), (155, 163081), (181, 139655), (265, 95387), (527, 47965), (901, 28055), (905, 27931), (1643, 15385), (2635, 9593), (3077, 8215), (4505, 5611)]