27888590

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 51559200

約数和(自身を除く): 23670610

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 349, 610, 655, 698, 1310, 1745, 3490, 7991, 15982, 21289, 39955, 42578, 45719, 79910, 91438, 106445, 212890, 228595, 457190, 2788859, 5577718, 13944295, 27888590]

約数ペア:

[(1, 27888590), (2, 13944295), (5, 5577718), (10, 2788859), (61, 457190), (122, 228595), (131, 212890), (262, 106445), (305, 91438), (349, 79910), (610, 45719), (655, 42578), (698, 39955), (1310, 21289), (1745, 15982), (3490, 7991)]