218199258

素因数分解:

$2^1\times 3^4\times {\mathrm{1346909}}^1$

素因数の和:1346923

約数の個数: 20

約数和(自身を含む): 488928330

約数和(自身を除く): 270729072

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1346909, 2693818, 4040727, 8081454, 12122181, 24244362, 36366543, 72733086, 109099629, 218199258]

約数ペア:

[(1, 218199258), (2, 109099629), (3, 72733086), (6, 36366543), (9, 24244362), (18, 12122181), (27, 8081454), (54, 4040727), (81, 2693818), (162, 1346909)]