291265494

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{41957}}^1$

素因数の和:42064

約数の個数: 32

約数和(自身を含む): 634404960

約数和(自身を除く): 343139466

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 3471, 6942, 41957, 83914, 125871, 251742, 545441, 1090882, 1636323, 3272646, 3734173, 7468346, 11202519, 22405038, 48544249, 97088498, 145632747, 291265494]

約数ペア:

[(1, 291265494), (2, 145632747), (3, 97088498), (6, 48544249), (13, 22405038), (26, 11202519), (39, 7468346), (78, 3734173), (89, 3272646), (178, 1636323), (267, 1090882), (534, 545441), (1157, 251742), (2314, 125871), (3471, 83914), (6942, 41957)]