398245896

素因数分解:

$2^3\times 3^5\times {\mathrm{204859}}^1$

素因数の和:204880

約数の個数: 48

約数和(自身を含む): 1118535600

約数和(自身を除く): 720289704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 204859, 409718, 614577, 819436, 1229154, 1638872, 1843731, 2458308, 3687462, 4916616, 5531193, 7374924, 11062386, 14749848, 16593579, 22124772, 33187158, 44249544, 49780737, 66374316, 99561474, 132748632, 199122948, 398245896]

約数ペア:

[(1, 398245896), (2, 199122948), (3, 132748632), (4, 99561474), (6, 66374316), (8, 49780737), (9, 44249544), (12, 33187158), (18, 22124772), (24, 16593579), (27, 14749848), (36, 11062386), (54, 7374924), (72, 5531193), (81, 4916616), (108, 3687462), (162, 2458308), (216, 1843731), (243, 1638872), (324, 1229154), (486, 819436), (648, 614577), (972, 409718), (1944, 204859)]