228760903

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 281318400

約数和(自身を除く): 52557497

約数列:

[1, 7, 29, 43, 73, 203, 301, 359, 511, 1247, 2117, 2513, 3139, 8729, 10411, 14819, 15437, 21973, 26207, 72877, 91031, 108059, 183449, 447673, 637217, 760003, 1126901, 3133711, 5320021, 7888307, 32680129, 228760903]

約数ペア:

[(1, 228760903), (7, 32680129), (29, 7888307), (43, 5320021), (73, 3133711), (203, 1126901), (301, 760003), (359, 637217), (511, 447673), (1247, 183449), (2117, 108059), (2513, 91031), (3139, 72877), (8729, 26207), (10411, 21973), (14819, 15437)]