664494766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{2179}}^1$

素因数の和:2548

約数の個数: 32

約数和(自身を含む): 1106411040

約数和(自身を除く): 441916274

約数列:

[1, 2, 13, 26, 37, 74, 317, 481, 634, 962, 2179, 4121, 4358, 8242, 11729, 23458, 28327, 56654, 80623, 152477, 161246, 304954, 690743, 1048099, 1381486, 2096198, 8979659, 17959318, 25557491, 51114982, 332247383, 664494766]

約数ペア:

[(1, 664494766), (2, 332247383), (13, 51114982), (26, 25557491), (37, 17959318), (74, 8979659), (317, 2096198), (481, 1381486), (634, 1048099), (962, 690743), (2179, 304954), (4121, 161246), (4358, 152477), (8242, 80623), (11729, 56654), (23458, 28327)]