388889478

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2411}}^1$

素因数の和:2554

約数の個数: 64

約数和(自身を含む): 903052800

約数和(自身を除く): 514163322

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 103, 174, 206, 261, 309, 522, 618, 783, 927, 1566, 1854, 2411, 2781, 2987, 4822, 5562, 5974, 7233, 8961, 14466, 17922, 21699, 26883, 43398, 53766, 65097, 69919, 80649, 130194, 139838, 161298, 209757, 248333, 419514, 496666, 629271, 744999, 1258542, 1489998, 1887813, 2234997, 3775626, 4469994, 6704991, 7201657, 13409982, 14403314, 21604971, 43209942, 64814913, 129629826, 194444739, 388889478]

約数ペア:

[(1, 388889478), (2, 194444739), (3, 129629826), (6, 64814913), (9, 43209942), (18, 21604971), (27, 14403314), (29, 13409982), (54, 7201657), (58, 6704991), (87, 4469994), (103, 3775626), (174, 2234997), (206, 1887813), (261, 1489998), (309, 1258542), (522, 744999), (618, 629271), (783, 496666), (927, 419514), (1566, 248333), (1854, 209757), (2411, 161298), (2781, 139838), (2987, 130194), (4822, 80649), (5562, 69919), (5974, 65097), (7233, 53766), (8961, 43398), (14466, 26883), (17922, 21699)]