25380138

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 59508000

約数和(自身を除く): 34127862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 173, 294, 346, 499, 519, 998, 1038, 1211, 1497, 2422, 2994, 3493, 3633, 6986, 7266, 8477, 10479, 16954, 20958, 24451, 25431, 48902, 50862, 73353, 86327, 146706, 172654, 258981, 517962, 604289, 1208578, 1812867, 3625734, 4230023, 8460046, 12690069, 25380138]

約数ペア:

[(1, 25380138), (2, 12690069), (3, 8460046), (6, 4230023), (7, 3625734), (14, 1812867), (21, 1208578), (42, 604289), (49, 517962), (98, 258981), (147, 172654), (173, 146706), (294, 86327), (346, 73353), (499, 50862), (519, 48902), (998, 25431), (1038, 24451), (1211, 20958), (1497, 16954), (2422, 10479), (2994, 8477), (3493, 7266), (3633, 6986)]