221426812

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{2819}}^1$

素因数の和:3165

約数の個数: 24

約数和(自身を含む): 394405200

約数和(自身を除く): 172978388

約数列:

[1, 2, 4, 73, 146, 269, 292, 538, 1076, 2819, 5638, 11276, 19637, 39274, 78548, 205787, 411574, 758311, 823148, 1516622, 3033244, 55356703, 110713406, 221426812]

約数ペア:

[(1, 221426812), (2, 110713406), (4, 55356703), (73, 3033244), (146, 1516622), (269, 823148), (292, 758311), (538, 411574), (1076, 205787), (2819, 78548), (5638, 39274), (11276, 19637)]