221771342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{19699}}^1$

素因数の和:20147

約数の個数: 16

約数和(自身を含む): 359091600

約数和(自身を除く): 137320258

約数列:

[1, 2, 13, 26, 433, 866, 5629, 11258, 19699, 39398, 256087, 512174, 8529667, 17059334, 110885671, 221771342]

約数ペア:

[(1, 221771342), (2, 110885671), (13, 17059334), (26, 8529667), (433, 512174), (866, 256087), (5629, 39398), (11258, 19699)]