16171956

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 43307264

約数和(自身を除く): 27135308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 337, 372, 387, 516, 558, 674, 774, 1011, 1116, 1333, 1348, 1548, 2022, 2666, 3033, 3999, 4044, 5332, 6066, 7998, 10447, 11997, 12132, 14491, 15996, 20894, 23994, 28982, 31341, 41788, 43473, 47988, 57964, 62682, 86946, 94023, 125364, 130419, 173892, 188046, 260838, 376092, 449221, 521676, 898442, 1347663, 1796884, 2695326, 4042989, 5390652, 8085978, 16171956]

約数ペア:

[(1, 16171956), (2, 8085978), (3, 5390652), (4, 4042989), (6, 2695326), (9, 1796884), (12, 1347663), (18, 898442), (31, 521676), (36, 449221), (43, 376092), (62, 260838), (86, 188046), (93, 173892), (124, 130419), (129, 125364), (172, 94023), (186, 86946), (258, 62682), (279, 57964), (337, 47988), (372, 43473), (387, 41788), (516, 31341), (558, 28982), (674, 23994), (774, 20894), (1011, 15996), (1116, 14491), (1333, 12132), (1348, 11997), (1548, 10447), (2022, 7998), (2666, 6066), (3033, 5332), (3999, 4044)]