16872812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 16995988

約数列:

[1, 2, 4, 11, 22, 41, 44, 47, 82, 94, 164, 188, 199, 398, 451, 517, 796, 902, 1034, 1804, 1927, 2068, 2189, 3854, 4378, 7708, 8159, 8756, 9353, 16318, 18706, 21197, 32636, 37412, 42394, 84788, 89749, 102883, 179498, 205766, 358996, 383473, 411532, 766946, 1533892, 4218203, 8436406, 16872812]

約数ペア:

[(1, 16872812), (2, 8436406), (4, 4218203), (11, 1533892), (22, 766946), (41, 411532), (44, 383473), (47, 358996), (82, 205766), (94, 179498), (164, 102883), (188, 89749), (199, 84788), (398, 42394), (451, 37412), (517, 32636), (796, 21197), (902, 18706), (1034, 16318), (1804, 9353), (1927, 8756), (2068, 8159), (2189, 7708), (3854, 4378)]