199380078

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1489}}^1$

素因数の和:1713

約数の個数: 48

約数和(自身を含む): 444890160

約数和(自身を除く): 245510082

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 173, 258, 346, 387, 519, 774, 1038, 1489, 1557, 2978, 3114, 4467, 7439, 8934, 13401, 14878, 22317, 26802, 44634, 64027, 66951, 128054, 133902, 192081, 257597, 384162, 515194, 576243, 772791, 1152486, 1545582, 2318373, 4636746, 11076671, 22153342, 33230013, 66460026, 99690039, 199380078]

約数ペア:

[(1, 199380078), (2, 99690039), (3, 66460026), (6, 33230013), (9, 22153342), (18, 11076671), (43, 4636746), (86, 2318373), (129, 1545582), (173, 1152486), (258, 772791), (346, 576243), (387, 515194), (519, 384162), (774, 257597), (1038, 192081), (1489, 133902), (1557, 128054), (2978, 66951), (3114, 64027), (4467, 44634), (7439, 26802), (8934, 22317), (13401, 14878)]