31419530

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 58378320

約数和(自身を除く): 26958790

約数列:

[1, 2, 5, 10, 41, 82, 197, 205, 389, 394, 410, 778, 985, 1945, 1970, 3890, 8077, 15949, 16154, 31898, 40385, 76633, 79745, 80770, 153266, 159490, 383165, 766330, 3141953, 6283906, 15709765, 31419530]

約数ペア:

[(1, 31419530), (2, 15709765), (5, 6283906), (10, 3141953), (41, 766330), (82, 383165), (197, 159490), (205, 153266), (389, 80770), (394, 79745), (410, 76633), (778, 40385), (985, 31898), (1945, 16154), (1970, 15949), (3890, 8077)]