28420904

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 26011096

約数列:

[1, 2, 4, 8, 89, 178, 179, 223, 356, 358, 446, 712, 716, 892, 1432, 1784, 15931, 19847, 31862, 39694, 39917, 63724, 79388, 79834, 127448, 158776, 159668, 319336, 3552613, 7105226, 14210452, 28420904]

約数ペア:

[(1, 28420904), (2, 14210452), (4, 7105226), (8, 3552613), (89, 319336), (178, 159668), (179, 158776), (223, 127448), (356, 79834), (358, 79388), (446, 63724), (712, 39917), (716, 39694), (892, 31862), (1432, 19847), (1784, 15931)]