1264542139

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 1541329920

約数和(自身を除く): 276787781

約数列:

[1, 7, 23, 61, 161, 331, 389, 427, 1403, 2317, 2723, 7613, 8947, 9821, 20191, 23729, 53291, 62629, 128759, 141337, 166103, 464393, 545767, 901313, 2961457, 3250751, 3820369, 7854299, 20730199, 54980093, 180648877, 1264542139]

約数ペア:

[(1, 1264542139), (7, 180648877), (23, 54980093), (61, 20730199), (161, 7854299), (331, 3820369), (389, 3250751), (427, 2961457), (1403, 901313), (2317, 545767), (2723, 464393), (7613, 166103), (8947, 141337), (9821, 128759), (20191, 62629), (23729, 53291)]