219496721

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1244

約数の個数: 16

約数和(自身を含む): 237096960

約数和(自身を除く): 17600239

約数列:

[1, 19, 47, 271, 893, 907, 5149, 12737, 17233, 42629, 242003, 245797, 809951, 4670143, 11552459, 219496721]

約数ペア:

[(1, 219496721), (19, 11552459), (47, 4670143), (271, 809951), (893, 245797), (907, 242003), (5149, 42629), (12737, 17233)]