72087938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2106

約数の個数: 32

約数和(自身を含む): 124320000

約数和(自身を除く): 52232062

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 949, 1387, 1898, 1999, 2774, 3998, 18031, 25987, 36062, 37981, 51974, 75962, 145927, 291854, 493753, 987506, 1897051, 2772613, 3794102, 5545226, 36043969, 72087938]

約数ペア:

[(1, 72087938), (2, 36043969), (13, 5545226), (19, 3794102), (26, 2772613), (38, 1897051), (73, 987506), (146, 493753), (247, 291854), (494, 145927), (949, 75962), (1387, 51974), (1898, 37981), (1999, 36062), (2774, 25987), (3998, 18031)]