1285346530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{90709}}^1$

素因数の和:90838

約数の個数: 32

約数和(自身を含む): 2514481200

約数和(自身を除く): 1229134670

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 7085, 14170, 90709, 181418, 453545, 907090, 1179217, 2358434, 5896085, 9887281, 11792170, 19774562, 49436405, 98872810, 128534653, 257069306, 642673265, 1285346530]

約数ペア:

[(1, 1285346530), (2, 642673265), (5, 257069306), (10, 128534653), (13, 98872810), (26, 49436405), (65, 19774562), (109, 11792170), (130, 9887281), (218, 5896085), (545, 2358434), (1090, 1179217), (1417, 907090), (2834, 453545), (7085, 181418), (14170, 90709)]