28100504

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 54237600

約数和(自身を除く): 26137096

約数列:

[1, 2, 4, 8, 61, 89, 122, 178, 244, 356, 488, 647, 712, 1294, 2588, 5176, 5429, 10858, 21716, 39467, 43432, 57583, 78934, 115166, 157868, 230332, 315736, 460664, 3512563, 7025126, 14050252, 28100504]

約数ペア:

[(1, 28100504), (2, 14050252), (4, 7025126), (8, 3512563), (61, 460664), (89, 315736), (122, 230332), (178, 157868), (244, 115166), (356, 78934), (488, 57583), (647, 43432), (712, 39467), (1294, 21716), (2588, 10858), (5176, 5429)]