72365188

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 148780800

約数和(自身を除く): 76415612

約数列:

[1, 2, 4, 7, 14, 28, 71, 89, 142, 178, 284, 356, 409, 497, 623, 818, 994, 1246, 1636, 1988, 2492, 2863, 5726, 6319, 11452, 12638, 25276, 29039, 36401, 44233, 58078, 72802, 88466, 116156, 145604, 176932, 203273, 254807, 406546, 509614, 813092, 1019228, 2584471, 5168942, 10337884, 18091297, 36182594, 72365188]

約数ペア:

[(1, 72365188), (2, 36182594), (4, 18091297), (7, 10337884), (14, 5168942), (28, 2584471), (71, 1019228), (89, 813092), (142, 509614), (178, 406546), (284, 254807), (356, 203273), (409, 176932), (497, 145604), (623, 116156), (818, 88466), (994, 72802), (1246, 58078), (1636, 44233), (1988, 36401), (2492, 29039), (2863, 25276), (5726, 12638), (6319, 11452)]