72789988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 144789120

約数和(自身を除く): 71999132

約数列:

[1, 2, 4, 17, 19, 34, 38, 53, 68, 76, 106, 212, 323, 646, 901, 1007, 1063, 1292, 1802, 2014, 2126, 3604, 4028, 4252, 17119, 18071, 20197, 34238, 36142, 40394, 56339, 68476, 72284, 80788, 112678, 225356, 343349, 686698, 957763, 1070441, 1373396, 1915526, 2140882, 3831052, 4281764, 18197497, 36394994, 72789988]

約数ペア:

[(1, 72789988), (2, 36394994), (4, 18197497), (17, 4281764), (19, 3831052), (34, 2140882), (38, 1915526), (53, 1373396), (68, 1070441), (76, 957763), (106, 686698), (212, 343349), (323, 225356), (646, 112678), (901, 80788), (1007, 72284), (1063, 68476), (1292, 56339), (1802, 40394), (2014, 36142), (2126, 34238), (3604, 20197), (4028, 18071), (4252, 17119)]