219965057

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 262370304

約数和(自身を除く): 42405247

約数列:

[1, 13, 17, 31, 97, 221, 331, 403, 527, 1261, 1649, 3007, 4303, 5627, 6851, 10261, 21437, 32107, 39091, 51119, 73151, 133393, 174437, 417391, 545819, 664547, 995317, 2267681, 7095647, 12939121, 16920389, 219965057]

約数ペア:

[(1, 219965057), (13, 16920389), (17, 12939121), (31, 7095647), (97, 2267681), (221, 995317), (331, 664547), (403, 545819), (527, 417391), (1261, 174437), (1649, 133393), (3007, 73151), (4303, 51119), (5627, 39091), (6851, 32107), (10261, 21437)]