213572156

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{26393}}^1$

素因数の和:26438

約数の個数: 36

約数和(自身を含む): 453765648

約数和(自身を除く): 240193492

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 4046, 8092, 26393, 52786, 105572, 184751, 369502, 448681, 739004, 897362, 1794724, 3140767, 6281534, 7627577, 12563068, 15255154, 30510308, 53393039, 106786078, 213572156]

約数ペア:

[(1, 213572156), (2, 106786078), (4, 53393039), (7, 30510308), (14, 15255154), (17, 12563068), (28, 7627577), (34, 6281534), (68, 3140767), (119, 1794724), (238, 897362), (289, 739004), (476, 448681), (578, 369502), (1156, 184751), (2023, 105572), (4046, 52786), (8092, 26393)]