28107035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 40684032

約数和(自身を除く): 12576997

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 935, 1265, 1307, 1955, 4301, 6535, 14377, 21505, 22219, 30061, 71885, 111095, 150305, 244409, 330671, 511037, 1222045, 1653355, 2555185, 5621407, 28107035]

約数ペア:

[(1, 28107035), (5, 5621407), (11, 2555185), (17, 1653355), (23, 1222045), (55, 511037), (85, 330671), (115, 244409), (187, 150305), (253, 111095), (391, 71885), (935, 30061), (1265, 22219), (1307, 21505), (1955, 14377), (4301, 6535)]