405979128

素因数分解:

$2^3\times 3^5\times {\mathrm{208837}}^1$

素因数の和:208858

約数の個数: 48

約数和(自身を含む): 1140255480

約数和(自身を除く): 734276352

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, 208837, 417674, 626511, 835348, 1253022, 1670696, 1879533, 2506044, 3759066, 5012088, 5638599, 7518132, 11277198, 15036264, 16915797, 22554396, 33831594, 45108792, 50747391, 67663188, 101494782, 135326376, 202989564, 405979128]

約数ペア:

[(1, 405979128), (2, 202989564), (3, 135326376), (4, 101494782), (6, 67663188), (8, 50747391), (9, 45108792), (12, 33831594), (18, 22554396), (24, 16915797), (27, 15036264), (36, 11277198), (54, 7518132), (72, 5638599), (81, 5012088), (108, 3759066), (162, 2506044), (216, 1879533), (243, 1670696), (324, 1253022), (486, 835348), (648, 626511), (972, 417674), (1944, 208837)]