28194310

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 52099200

約数和(自身を除く): 23904890

約数列:

[1, 2, 5, 10, 79, 89, 158, 178, 395, 401, 445, 790, 802, 890, 2005, 4010, 7031, 14062, 31679, 35155, 35689, 63358, 70310, 71378, 158395, 178445, 316790, 356890, 2819431, 5638862, 14097155, 28194310]

約数ペア:

[(1, 28194310), (2, 14097155), (5, 5638862), (10, 2819431), (79, 356890), (89, 316790), (158, 178445), (178, 158395), (395, 71378), (401, 70310), (445, 63358), (790, 35689), (802, 35155), (890, 31679), (2005, 14062), (4010, 7031)]