991074238

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{17827}}^1$

素因数の和:17885

約数の個数: 48

約数和(自身を含む): 1956230784

約数和(自身を除く): 965156546

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 361, 418, 722, 1463, 2527, 2926, 3971, 5054, 7942, 17827, 27797, 35654, 55594, 124789, 196097, 249578, 338713, 392194, 677426, 1372679, 2370991, 2745358, 3725843, 4741982, 6435547, 7451686, 12871094, 26080901, 45048829, 52161802, 70791017, 90097658, 141582034, 495537119, 991074238]

約数ペア:

[(1, 991074238), (2, 495537119), (7, 141582034), (11, 90097658), (14, 70791017), (19, 52161802), (22, 45048829), (38, 26080901), (77, 12871094), (133, 7451686), (154, 6435547), (209, 4741982), (266, 3725843), (361, 2745358), (418, 2370991), (722, 1372679), (1463, 677426), (2527, 392194), (2926, 338713), (3971, 249578), (5054, 196097), (7942, 124789), (17827, 55594), (27797, 35654)]