209785788

素因数分解:

$2^2\times 3^7\times {\mathrm{23981}}^1$

素因数の和:24006

約数の個数: 48

約数和(自身を含む): 550626720

約数和(自身を除く): 340840932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2916, 4374, 8748, 23981, 47962, 71943, 95924, 143886, 215829, 287772, 431658, 647487, 863316, 1294974, 1942461, 2589948, 3884922, 5827383, 7769844, 11654766, 17482149, 23309532, 34964298, 52446447, 69928596, 104892894, 209785788]

約数ペア:

[(1, 209785788), (2, 104892894), (3, 69928596), (4, 52446447), (6, 34964298), (9, 23309532), (12, 17482149), (18, 11654766), (27, 7769844), (36, 5827383), (54, 3884922), (81, 2589948), (108, 1942461), (162, 1294974), (243, 863316), (324, 647487), (486, 431658), (729, 287772), (972, 215829), (1458, 143886), (2187, 95924), (2916, 71943), (4374, 47962), (8748, 23981)]