388396516

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{4561}}^1$

素因数の和:4975

約数の個数: 24

約数和(自身を含む): 692967800

約数和(自身を除く): 304571284

約数列:

[1, 2, 4, 61, 122, 244, 349, 698, 1396, 4561, 9122, 18244, 21289, 42578, 85156, 278221, 556442, 1112884, 1591789, 3183578, 6367156, 97099129, 194198258, 388396516]

約数ペア:

[(1, 388396516), (2, 194198258), (4, 97099129), (61, 6367156), (122, 3183578), (244, 1591789), (349, 1112884), (698, 556442), (1396, 278221), (4561, 85156), (9122, 42578), (18244, 21289)]