2420548991

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 3013512480

約数和(自身を除く): 592963489

約数列:

[1, 7, 37, 43, 49, 61, 259, 301, 427, 509, 1591, 1813, 2107, 2257, 2623, 2989, 3563, 11137, 15799, 18361, 18833, 21887, 24941, 31049, 77959, 97051, 110593, 128527, 131831, 153209, 217343, 679357, 809819, 922817, 1072463, 1148813, 1335107, 1521401, 4755499, 5668733, 8041691, 9345749, 39681131, 49398959, 56291837, 65420243, 345792713, 2420548991]

約数ペア:

[(1, 2420548991), (7, 345792713), (37, 65420243), (43, 56291837), (49, 49398959), (61, 39681131), (259, 9345749), (301, 8041691), (427, 5668733), (509, 4755499), (1591, 1521401), (1813, 1335107), (2107, 1148813), (2257, 1072463), (2623, 922817), (2989, 809819), (3563, 679357), (11137, 217343), (15799, 153209), (18361, 131831), (18833, 128527), (21887, 110593), (24941, 97051), (31049, 77959)]