491662728

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{220279}}^1$

素因数の和:220322

約数の個数: 48

約数和(自身を含む): 1374547200

約数和(自身を除く): 882884472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 220279, 440558, 660837, 881116, 1321674, 1762232, 1982511, 2643348, 3965022, 5286696, 6828649, 7930044, 13657298, 15860088, 20485947, 27314596, 40971894, 54629192, 61457841, 81943788, 122915682, 163887576, 245831364, 491662728]

約数ペア:

[(1, 491662728), (2, 245831364), (3, 163887576), (4, 122915682), (6, 81943788), (8, 61457841), (9, 54629192), (12, 40971894), (18, 27314596), (24, 20485947), (31, 15860088), (36, 13657298), (62, 7930044), (72, 6828649), (93, 5286696), (124, 3965022), (186, 2643348), (248, 1982511), (279, 1762232), (372, 1321674), (558, 881116), (744, 660837), (1116, 440558), (2232, 220279)]