1289551090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{6221}}^1$

素因数の和:7338

約数の個数: 32

約数和(自身を含む): 2445992640

約数和(自身を除く): 1156441550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1091, 2182, 5455, 6221, 10910, 12442, 20729, 31105, 41458, 62210, 103645, 118199, 207290, 236398, 590995, 1181990, 6787111, 13574222, 33935555, 67871110, 128955109, 257910218, 644775545, 1289551090]

約数ペア:

[(1, 1289551090), (2, 644775545), (5, 257910218), (10, 128955109), (19, 67871110), (38, 33935555), (95, 13574222), (190, 6787111), (1091, 1181990), (2182, 590995), (5455, 236398), (6221, 207290), (10910, 118199), (12442, 103645), (20729, 62210), (31105, 41458)]