26885551

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 12927569

約数列:

[1, 7, 11, 17, 19, 23, 47, 77, 119, 133, 161, 187, 209, 253, 323, 329, 391, 437, 517, 799, 893, 1081, 1309, 1463, 1771, 2261, 2737, 3059, 3553, 3619, 4301, 4807, 5593, 6251, 7429, 7567, 8789, 9823, 11891, 15181, 18377, 20539, 24871, 30107, 33649, 52003, 61523, 68761, 81719, 83237, 106267, 128639, 143773, 166991, 202147, 225929, 349163, 572033, 1168937, 1415029, 1581503, 2444141, 3840793, 26885551]

約数ペア:

[(1, 26885551), (7, 3840793), (11, 2444141), (17, 1581503), (19, 1415029), (23, 1168937), (47, 572033), (77, 349163), (119, 225929), (133, 202147), (161, 166991), (187, 143773), (209, 128639), (253, 106267), (323, 83237), (329, 81719), (391, 68761), (437, 61523), (517, 52003), (799, 33649), (893, 30107), (1081, 24871), (1309, 20539), (1463, 18377), (1771, 15181), (2261, 11891), (2737, 9823), (3059, 8789), (3553, 7567), (3619, 7429), (4301, 6251), (4807, 5593)]