221524306

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 357923520

約数和(自身を除く): 136399214

約数列:

[1, 2, 19, 38, 61, 122, 227, 421, 454, 842, 1159, 2318, 4313, 7999, 8626, 13847, 15998, 25681, 27694, 51362, 95567, 191134, 263093, 487939, 526186, 975878, 1815773, 3631546, 5829587, 11659174, 110762153, 221524306]

約数ペア:

[(1, 221524306), (2, 110762153), (19, 11659174), (38, 5829587), (61, 3631546), (122, 1815773), (227, 975878), (421, 526186), (454, 487939), (842, 263093), (1159, 191134), (2318, 95567), (4313, 51362), (7999, 27694), (8626, 25681), (13847, 15998)]