205496728

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{727}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 391154400

約数和(自身を除く): 185657672

約数列:

[1, 2, 4, 8, 89, 178, 356, 397, 712, 727, 794, 1454, 1588, 2908, 3176, 5816, 35333, 64703, 70666, 129406, 141332, 258812, 282664, 288619, 517624, 577238, 1154476, 2308952, 25687091, 51374182, 102748364, 205496728]

約数ペア:

[(1, 205496728), (2, 102748364), (4, 51374182), (8, 25687091), (89, 2308952), (178, 1154476), (356, 577238), (397, 517624), (712, 288619), (727, 282664), (794, 258812), (1454, 141332), (1588, 129406), (2908, 70666), (3176, 64703), (5816, 35333)]