220180499

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 286295040

約数和(自身を除く): 66114541

約数列:

[1, 7, 11, 29, 77, 151, 203, 319, 653, 1057, 1661, 2233, 4379, 4571, 7183, 11627, 18937, 30653, 48169, 50281, 98603, 132559, 208307, 337183, 690221, 1084633, 1458149, 2859487, 7592431, 20016409, 31454357, 220180499]

約数ペア:

[(1, 220180499), (7, 31454357), (11, 20016409), (29, 7592431), (77, 2859487), (151, 1458149), (203, 1084633), (319, 690221), (653, 337183), (1057, 208307), (1661, 132559), (2233, 98603), (4379, 50281), (4571, 48169), (7183, 30653), (11627, 18937)]