25125338

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 46687104

約数和(自身を除く): 21561766

約数列:

[1, 2, 7, 14, 23, 46, 49, 71, 98, 142, 157, 161, 314, 322, 497, 994, 1099, 1127, 1633, 2198, 2254, 3266, 3479, 3611, 6958, 7222, 7693, 11147, 11431, 15386, 22294, 22862, 25277, 50554, 78029, 80017, 156058, 160034, 176939, 256381, 353878, 512762, 546203, 1092406, 1794667, 3589334, 12562669, 25125338]

約数ペア:

[(1, 25125338), (2, 12562669), (7, 3589334), (14, 1794667), (23, 1092406), (46, 546203), (49, 512762), (71, 353878), (98, 256381), (142, 176939), (157, 160034), (161, 156058), (314, 80017), (322, 78029), (497, 50554), (994, 25277), (1099, 22862), (1127, 22294), (1633, 15386), (2198, 11431), (2254, 11147), (3266, 7693), (3479, 7222), (3611, 6958)]