72293276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{18461}}^1$

素因数の和:18565

約数の個数: 24

約数和(自身を含む): 139572720

約数和(自身を除く): 67279444

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 18461, 36922, 73844, 203071, 406142, 812284, 1643029, 3286058, 6572116, 18073319, 36146638, 72293276]

約数ペア:

[(1, 72293276), (2, 36146638), (4, 18073319), (11, 6572116), (22, 3286058), (44, 1643029), (89, 812284), (178, 406142), (356, 203071), (979, 73844), (1958, 36922), (3916, 18461)]