218064385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 341803008

約数和(自身を除く): 123738623

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 151, 155, 217, 341, 385, 605, 755, 847, 1057, 1085, 1331, 1661, 1705, 2387, 3751, 4235, 4681, 5285, 6655, 8305, 9317, 11627, 11935, 18271, 18755, 23405, 26257, 32767, 41261, 46585, 51491, 58135, 91355, 127897, 131285, 163835, 200981, 206305, 257455, 288827, 360437, 566401, 639485, 1004905, 1406867, 1444135, 1802185, 2832005, 3964807, 6230411, 7034335, 19824035, 31152055, 43612877, 218064385]

約数ペア:

[(1, 218064385), (5, 43612877), (7, 31152055), (11, 19824035), (31, 7034335), (35, 6230411), (55, 3964807), (77, 2832005), (121, 1802185), (151, 1444135), (155, 1406867), (217, 1004905), (341, 639485), (385, 566401), (605, 360437), (755, 288827), (847, 257455), (1057, 206305), (1085, 200981), (1331, 163835), (1661, 131285), (1705, 127897), (2387, 91355), (3751, 58135), (4235, 51491), (4681, 46585), (5285, 41261), (6655, 32767), (8305, 26257), (9317, 23405), (11627, 18755), (11935, 18271)]