219512168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^2\times {\mathrm{271}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 440884800

約数和(自身を除く): 221372632

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 271, 292, 542, 584, 1084, 1387, 2168, 2774, 5149, 5329, 5548, 10298, 10658, 11096, 19783, 20596, 21316, 39566, 41192, 42632, 79132, 101251, 158264, 202502, 375877, 405004, 751754, 810008, 1444159, 1503508, 2888318, 3007016, 5776636, 11553272, 27439021, 54878042, 109756084, 219512168]

約数ペア:

[(1, 219512168), (2, 109756084), (4, 54878042), (8, 27439021), (19, 11553272), (38, 5776636), (73, 3007016), (76, 2888318), (146, 1503508), (152, 1444159), (271, 810008), (292, 751754), (542, 405004), (584, 375877), (1084, 202502), (1387, 158264), (2168, 101251), (2774, 79132), (5149, 42632), (5329, 41192), (5548, 39566), (10298, 21316), (10658, 20596), (11096, 19783)]