664236490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{22193}}^1$

素因数の和:22314

約数の個数: 32

約数和(自身を含む): 1241621136

約数和(自身を除く): 577384646

約数列:

[1, 2, 5, 10, 41, 73, 82, 146, 205, 365, 410, 730, 2993, 5986, 14965, 22193, 29930, 44386, 110965, 221930, 909913, 1620089, 1819826, 3240178, 4549565, 8100445, 9099130, 16200890, 66423649, 132847298, 332118245, 664236490]

約数ペア:

[(1, 664236490), (2, 332118245), (5, 132847298), (10, 66423649), (41, 16200890), (73, 9099130), (82, 8100445), (146, 4549565), (205, 3240178), (365, 1819826), (410, 1620089), (730, 909913), (2993, 221930), (5986, 110965), (14965, 44386), (22193, 29930)]