220390222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6359}}^1$

素因数の和:6448

約数の個数: 32

約数和(自身を含む): 376104960

約数和(自身を除く): 155714738

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 403, 559, 806, 1118, 1333, 2666, 6359, 12718, 17329, 34658, 82667, 165334, 197129, 273437, 394258, 546874, 2562677, 3554681, 5125354, 7109362, 8476547, 16953094, 110195111, 220390222]

約数ペア:

[(1, 220390222), (2, 110195111), (13, 16953094), (26, 8476547), (31, 7109362), (43, 5125354), (62, 3554681), (86, 2562677), (403, 546874), (559, 394258), (806, 273437), (1118, 197129), (1333, 165334), (2666, 82667), (6359, 34658), (12718, 17329)]