291210199

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 363525120

約数和(自身を除く): 72314921

約数列:

[1, 7, 23, 29, 97, 161, 203, 643, 667, 679, 2231, 2813, 4501, 4669, 14789, 15617, 18647, 19691, 62371, 64699, 103523, 130529, 428881, 436597, 452893, 1434533, 1808759, 3002167, 10041731, 12661313, 41601457, 291210199]

約数ペア:

[(1, 291210199), (7, 41601457), (23, 12661313), (29, 10041731), (97, 3002167), (161, 1808759), (203, 1434533), (643, 452893), (667, 436597), (679, 428881), (2231, 130529), (2813, 103523), (4501, 64699), (4669, 62371), (14789, 19691), (15617, 18647)]