11900005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 16329600

約数和(自身を除く): 4429595

約数列:

[1, 5, 13, 29, 59, 65, 107, 145, 295, 377, 535, 767, 1391, 1711, 1885, 3103, 3835, 6313, 6955, 8555, 15515, 22243, 31565, 40339, 82069, 111215, 183077, 201695, 410345, 915385, 2380001, 11900005]

約数ペア:

[(1, 11900005), (5, 2380001), (13, 915385), (29, 410345), (59, 201695), (65, 183077), (107, 111215), (145, 82069), (295, 40339), (377, 31565), (535, 22243), (767, 15515), (1391, 8555), (1711, 6955), (1885, 6313), (3103, 3835)]