219849938

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20107}}^1$

素因数の和:20198

約数の個数: 32

約数和(自身を含む): 416959488

約数和(自身を除く): 197109550

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 5467, 10934, 20107, 40214, 140749, 221177, 281498, 442354, 1427597, 1548239, 2855194, 3096478, 9993179, 15703567, 19986358, 31407134, 109924969, 219849938]

約数ペア:

[(1, 219849938), (2, 109924969), (7, 31407134), (11, 19986358), (14, 15703567), (22, 9993179), (71, 3096478), (77, 2855194), (142, 1548239), (154, 1427597), (497, 442354), (781, 281498), (994, 221177), (1562, 140749), (5467, 40214), (10934, 20107)]