131506214

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 233472000

約数和(自身を除く): 101965786

約数列:

[1, 2, 7, 14, 37, 74, 127, 254, 259, 518, 889, 1778, 1999, 3998, 4699, 9398, 13993, 27986, 32893, 65786, 73963, 147926, 253873, 507746, 517741, 1035482, 1777111, 3554222, 9393301, 18786602, 65753107, 131506214]

約数ペア:

[(1, 131506214), (2, 65753107), (7, 18786602), (14, 9393301), (37, 3554222), (74, 1777111), (127, 1035482), (254, 517741), (259, 507746), (518, 253873), (889, 147926), (1778, 73963), (1999, 65786), (3998, 32893), (4699, 27986), (9398, 13993)]