291220138

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{3529}}^1$

素因数の和:3595

約数の個数: 32

約数和(自身を含む): 496120320

約数和(自身を除く): 204900182

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 1331, 2662, 3529, 3751, 7058, 7502, 38819, 41261, 77638, 82522, 109399, 218798, 427009, 854018, 1203389, 2406778, 4697099, 9394198, 13237279, 26474558, 145610069, 291220138]

約数ペア:

[(1, 291220138), (2, 145610069), (11, 26474558), (22, 13237279), (31, 9394198), (62, 4697099), (121, 2406778), (242, 1203389), (341, 854018), (682, 427009), (1331, 218798), (2662, 109399), (3529, 82522), (3751, 77638), (7058, 41261), (7502, 38819)]