12782825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 18855936

約数和(自身を除く): 6073111

約数列:

[1, 5, 11, 23, 25, 43, 47, 55, 115, 215, 235, 253, 275, 473, 517, 575, 989, 1075, 1081, 1175, 1265, 2021, 2365, 2585, 4945, 5405, 6325, 10105, 10879, 11825, 11891, 12925, 22231, 24725, 27025, 46483, 50525, 54395, 59455, 111155, 232415, 271975, 297275, 511313, 555775, 1162075, 2556565, 12782825]

約数ペア:

[(1, 12782825), (5, 2556565), (11, 1162075), (23, 555775), (25, 511313), (43, 297275), (47, 271975), (55, 232415), (115, 111155), (215, 59455), (235, 54395), (253, 50525), (275, 46483), (473, 27025), (517, 24725), (575, 22231), (989, 12925), (1075, 11891), (1081, 11825), (1175, 10879), (1265, 10105), (2021, 6325), (2365, 5405), (2585, 4945)]