640573128

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{684373}}^1$

素因数の和:684398

約数の個数: 48

約数和(自身を含む): 1868341020

約数和(自身を除く): 1227767892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 684373, 1368746, 2053119, 2737492, 4106238, 5474984, 6159357, 8212476, 8896849, 12318714, 16424952, 17793698, 24637428, 26690547, 35587396, 49274856, 53381094, 71174792, 80071641, 106762188, 160143282, 213524376, 320286564, 640573128]

約数ペア:

[(1, 640573128), (2, 320286564), (3, 213524376), (4, 160143282), (6, 106762188), (8, 80071641), (9, 71174792), (12, 53381094), (13, 49274856), (18, 35587396), (24, 26690547), (26, 24637428), (36, 17793698), (39, 16424952), (52, 12318714), (72, 8896849), (78, 8212476), (104, 6159357), (117, 5474984), (156, 4106238), (234, 2737492), (312, 2053119), (468, 1368746), (936, 684373)]