66637990

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 55289690

約数列:

[1, 2, 5, 10, 139, 191, 251, 278, 382, 502, 695, 955, 1255, 1390, 1910, 2510, 26549, 34889, 47941, 53098, 69778, 95882, 132745, 174445, 239705, 265490, 348890, 479410, 6663799, 13327598, 33318995, 66637990]

約数ペア:

[(1, 66637990), (2, 33318995), (5, 13327598), (10, 6663799), (139, 479410), (191, 348890), (251, 265490), (278, 239705), (382, 174445), (502, 132745), (695, 95882), (955, 69778), (1255, 53098), (1390, 47941), (1910, 34889), (2510, 26549)]