28120108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 54552960

約数和(自身を除く): 26432852

約数列:

[1, 2, 4, 17, 34, 43, 59, 68, 86, 118, 163, 172, 236, 326, 652, 731, 1003, 1462, 2006, 2537, 2771, 2924, 4012, 5074, 5542, 7009, 9617, 10148, 11084, 14018, 19234, 28036, 38468, 43129, 86258, 119153, 163489, 172516, 238306, 326978, 413531, 476612, 653956, 827062, 1654124, 7030027, 14060054, 28120108]

約数ペア:

[(1, 28120108), (2, 14060054), (4, 7030027), (17, 1654124), (34, 827062), (43, 653956), (59, 476612), (68, 413531), (86, 326978), (118, 238306), (163, 172516), (172, 163489), (236, 119153), (326, 86258), (652, 43129), (731, 38468), (1003, 28036), (1462, 19234), (2006, 14018), (2537, 11084), (2771, 10148), (2924, 9617), (4012, 7009), (5074, 5542)]