221525276

素因数分解:

$2^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{4729}}^1$

素因数の和:4986

約数の個数: 36

約数和(自身を含む): 452944800

約数和(自身を除く): 231419524

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 478, 956, 1673, 3346, 4729, 6692, 9458, 11711, 18916, 23422, 33103, 46844, 66206, 132412, 231721, 463442, 926884, 1130231, 2260462, 4520924, 7911617, 15823234, 31646468, 55381319, 110762638, 221525276]

約数ペア:

[(1, 221525276), (2, 110762638), (4, 55381319), (7, 31646468), (14, 15823234), (28, 7911617), (49, 4520924), (98, 2260462), (196, 1130231), (239, 926884), (478, 463442), (956, 231721), (1673, 132412), (3346, 66206), (4729, 46844), (6692, 33103), (9458, 23422), (11711, 18916)]