165290305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 215737344

約数和(自身を除く): 50447039

約数列:

[1, 5, 23, 47, 53, 115, 235, 265, 577, 1081, 1219, 2491, 2885, 5405, 6095, 12455, 13271, 27119, 30581, 57293, 66355, 135595, 152905, 286465, 623737, 703363, 1437307, 3118685, 3516815, 7186535, 33058061, 165290305]

約数ペア:

[(1, 165290305), (5, 33058061), (23, 7186535), (47, 3516815), (53, 3118685), (115, 1437307), (235, 703363), (265, 623737), (577, 286465), (1081, 152905), (1219, 135595), (2491, 66355), (2885, 57293), (5405, 30581), (6095, 27119), (12455, 13271)]