2227978051

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 2508903488

約数和(自身を除く): 280925437

約数列:

[1, 13, 37, 157, 163, 181, 481, 2041, 2119, 2353, 5809, 6031, 6697, 25591, 28417, 29503, 75517, 78403, 87061, 332683, 369421, 383539, 946867, 1051429, 1091611, 4631971, 12309271, 13668577, 14190943, 60215623, 171382927, 2227978051]

約数ペア:

[(1, 2227978051), (13, 171382927), (37, 60215623), (157, 14190943), (163, 13668577), (181, 12309271), (481, 4631971), (2041, 1091611), (2119, 1051429), (2353, 946867), (5809, 383539), (6031, 369421), (6697, 332683), (25591, 87061), (28417, 78403), (29503, 75517)]