1780491318

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1231}}^1$

素因数の和:1529

約数の個数: 64

約数和(自身を含む): 3814981632

約数和(自身を除く): 2034490314

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 223, 282, 446, 669, 1081, 1231, 1338, 2162, 2462, 3243, 3693, 5129, 6486, 7386, 10258, 10481, 15387, 20962, 28313, 30774, 31443, 56626, 57857, 62886, 84939, 115714, 169878, 173571, 241063, 274513, 347142, 482126, 549026, 723189, 823539, 1330711, 1446378, 1647078, 2661422, 3992133, 6313799, 7984266, 12627598, 12902111, 18941397, 25804222, 37882794, 38706333, 77412666, 296748553, 593497106, 890245659, 1780491318]

約数ペア:

[(1, 1780491318), (2, 890245659), (3, 593497106), (6, 296748553), (23, 77412666), (46, 38706333), (47, 37882794), (69, 25804222), (94, 18941397), (138, 12902111), (141, 12627598), (223, 7984266), (282, 6313799), (446, 3992133), (669, 2661422), (1081, 1647078), (1231, 1446378), (1338, 1330711), (2162, 823539), (2462, 723189), (3243, 549026), (3693, 482126), (5129, 347142), (6486, 274513), (7386, 241063), (10258, 173571), (10481, 169878), (15387, 115714), (20962, 84939), (28313, 62886), (30774, 57857), (31443, 56626)]