28400968

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 54480600

約数和(自身を除く): 26079632

約数列:

[1, 2, 4, 8, 89, 113, 178, 226, 353, 356, 452, 706, 712, 904, 1412, 2824, 10057, 20114, 31417, 39889, 40228, 62834, 79778, 80456, 125668, 159556, 251336, 319112, 3550121, 7100242, 14200484, 28400968]

約数ペア:

[(1, 28400968), (2, 14200484), (4, 7100242), (8, 3550121), (89, 319112), (113, 251336), (178, 159556), (226, 125668), (353, 80456), (356, 79778), (452, 62834), (706, 40228), (712, 39889), (904, 31417), (1412, 20114), (2824, 10057)]