189864688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1321}}^1$

素因数の和:2033

約数の個数: 40

約数和(自身を含む): 397033616

約数和(自身を除く): 207168928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 691, 1321, 1382, 2642, 2764, 5284, 5528, 8983, 10568, 11056, 17173, 17966, 21136, 34346, 35932, 68692, 71864, 137384, 143728, 274768, 912811, 1825622, 3651244, 7302488, 11866543, 14604976, 23733086, 47466172, 94932344, 189864688]

約数ペア:

[(1, 189864688), (2, 94932344), (4, 47466172), (8, 23733086), (13, 14604976), (16, 11866543), (26, 7302488), (52, 3651244), (104, 1825622), (208, 912811), (691, 274768), (1321, 143728), (1382, 137384), (2642, 71864), (2764, 68692), (5284, 35932), (5528, 34346), (8983, 21136), (10568, 17966), (11056, 17173)]