25409764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 50440320

約数和(自身を除く): 25030556

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 71, 76, 142, 277, 284, 323, 554, 646, 1108, 1207, 1292, 1349, 2414, 2698, 4709, 4828, 5263, 5396, 9418, 10526, 18836, 19667, 21052, 22933, 39334, 45866, 78668, 89471, 91732, 178942, 334339, 357884, 373673, 668678, 747346, 1337356, 1494692, 6352441, 12704882, 25409764]

約数ペア:

[(1, 25409764), (2, 12704882), (4, 6352441), (17, 1494692), (19, 1337356), (34, 747346), (38, 668678), (68, 373673), (71, 357884), (76, 334339), (142, 178942), (277, 91732), (284, 89471), (323, 78668), (554, 45866), (646, 39334), (1108, 22933), (1207, 21052), (1292, 19667), (1349, 18836), (2414, 10526), (2698, 9418), (4709, 5396), (4828, 5263)]