255881916

素因数分解:

$2^2\times 3^6\times {\mathrm{87751}}^1$

素因数の和:87773

約数の個数: 42

約数和(自身を含む): 671390552

約数和(自身を除く): 415508636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 87751, 175502, 263253, 351004, 526506, 789759, 1053012, 1579518, 2369277, 3159036, 4738554, 7107831, 9477108, 14215662, 21323493, 28431324, 42646986, 63970479, 85293972, 127940958, 255881916]

約数ペア:

[(1, 255881916), (2, 127940958), (3, 85293972), (4, 63970479), (6, 42646986), (9, 28431324), (12, 21323493), (18, 14215662), (27, 9477108), (36, 7107831), (54, 4738554), (81, 3159036), (108, 2369277), (162, 1579518), (243, 1053012), (324, 789759), (486, 526506), (729, 351004), (972, 263253), (1458, 175502), (2916, 87751)]