64390844

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2393}}^1$

素因数の和:2466

約数の個数: 36

約数和(自身を含む): 133125552

約数和(自身を除く): 68734708

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 961, 1922, 2393, 3844, 4786, 6727, 9572, 13454, 16751, 26908, 33502, 67004, 74183, 148366, 296732, 519281, 1038562, 2077124, 2299673, 4599346, 9198692, 16097711, 32195422, 64390844]

約数ペア:

[(1, 64390844), (2, 32195422), (4, 16097711), (7, 9198692), (14, 4599346), (28, 2299673), (31, 2077124), (62, 1038562), (124, 519281), (217, 296732), (434, 148366), (868, 74183), (961, 67004), (1922, 33502), (2393, 26908), (3844, 16751), (4786, 13454), (6727, 9572)]