28180306

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9631}}^1$

素因数の和:9670

約数の個数: 32

約数和(自身を含む): 55480320

約数和(自身を除く): 27300014

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 9631, 19262, 67417, 105941, 134834, 182989, 211882, 365978, 741587, 1280923, 1483174, 2012879, 2561846, 4025758, 14090153, 28180306]

約数ペア:

[(1, 28180306), (2, 14090153), (7, 4025758), (11, 2561846), (14, 2012879), (19, 1483174), (22, 1280923), (38, 741587), (77, 365978), (133, 211882), (154, 182989), (209, 134834), (266, 105941), (418, 67417), (1463, 19262), (2926, 9631)]