2009003726

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{691}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 3138164640

約数和(自身を除く): 1129160914

約数列:

[1, 2, 37, 74, 101, 202, 389, 691, 778, 1382, 3737, 7474, 14393, 25567, 28786, 39289, 51134, 69791, 78578, 139582, 268799, 537598, 1453693, 2582267, 2907386, 5164534, 9945563, 19891126, 27148699, 54297398, 1004501863, 2009003726]

約数ペア:

[(1, 2009003726), (2, 1004501863), (37, 54297398), (74, 27148699), (101, 19891126), (202, 9945563), (389, 5164534), (691, 2907386), (778, 2582267), (1382, 1453693), (3737, 537598), (7474, 268799), (14393, 139582), (25567, 78578), (28786, 69791), (39289, 51134)]