208271492

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 437942400

約数和(自身を除く): 229670908

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 121, 143, 158, 242, 286, 316, 419, 484, 572, 838, 869, 1027, 1573, 1676, 1738, 2054, 3146, 3476, 4108, 4609, 5447, 6292, 9218, 9559, 10894, 11297, 18436, 19118, 21788, 22594, 33101, 38236, 45188, 50699, 59917, 66202, 101398, 119834, 124267, 132404, 202796, 239668, 248534, 364111, 430313, 497068, 659087, 728222, 860626, 1318174, 1456444, 1721252, 2636348, 4005221, 4733443, 8010442, 9466886, 16020884, 18933772, 52067873, 104135746, 208271492]

約数ペア:

[(1, 208271492), (2, 104135746), (4, 52067873), (11, 18933772), (13, 16020884), (22, 9466886), (26, 8010442), (44, 4733443), (52, 4005221), (79, 2636348), (121, 1721252), (143, 1456444), (158, 1318174), (242, 860626), (286, 728222), (316, 659087), (419, 497068), (484, 430313), (572, 364111), (838, 248534), (869, 239668), (1027, 202796), (1573, 132404), (1676, 124267), (1738, 119834), (2054, 101398), (3146, 66202), (3476, 59917), (4108, 50699), (4609, 45188), (5447, 38236), (6292, 33101), (9218, 22594), (9559, 21788), (10894, 19118), (11297, 18436)]