258636455

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5051}}^1$

素因数の和:5100

約数の個数: 48

約数和(自身を含む): 414668160

約数和(自身を除く): 156031705

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 931, 1045, 1463, 2695, 4655, 5051, 7315, 10241, 25255, 35357, 51205, 55561, 95969, 176785, 247499, 277805, 388927, 479845, 671783, 1055659, 1237495, 1944635, 2722489, 3358915, 4702481, 5278295, 7389613, 13612445, 23512405, 36948065, 51727291, 258636455]

約数ペア:

[(1, 258636455), (5, 51727291), (7, 36948065), (11, 23512405), (19, 13612445), (35, 7389613), (49, 5278295), (55, 4702481), (77, 3358915), (95, 2722489), (133, 1944635), (209, 1237495), (245, 1055659), (385, 671783), (539, 479845), (665, 388927), (931, 277805), (1045, 247499), (1463, 176785), (2695, 95969), (4655, 55561), (5051, 51205), (7315, 35357), (10241, 25255)]