2987388

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 7840000

約数和(自身を除く): 4852612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 199, 278, 398, 417, 556, 597, 796, 834, 1194, 1251, 1668, 1791, 2388, 2502, 3582, 3753, 5004, 5373, 7164, 7506, 10746, 15012, 21492, 27661, 55322, 82983, 110644, 165966, 248949, 331932, 497898, 746847, 995796, 1493694, 2987388]

約数ペア:

[(1, 2987388), (2, 1493694), (3, 995796), (4, 746847), (6, 497898), (9, 331932), (12, 248949), (18, 165966), (27, 110644), (36, 82983), (54, 55322), (108, 27661), (139, 21492), (199, 15012), (278, 10746), (398, 7506), (417, 7164), (556, 5373), (597, 5004), (796, 3753), (834, 3582), (1194, 2502), (1251, 2388), (1668, 1791)]