405238465

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 514128384

約数和(自身を除く): 108889919

約数列:

[1, 5, 41, 47, 137, 205, 235, 307, 685, 1535, 1927, 5617, 6439, 9635, 12587, 14429, 28085, 32195, 42059, 62935, 72145, 210295, 263999, 591589, 1319995, 1724419, 1976773, 2957945, 8622095, 9883865, 81047693, 405238465]

約数ペア:

[(1, 405238465), (5, 81047693), (41, 9883865), (47, 8622095), (137, 2957945), (205, 1976773), (235, 1724419), (307, 1319995), (685, 591589), (1535, 263999), (1927, 210295), (5617, 72145), (6439, 62935), (9635, 42059), (12587, 32195), (14429, 28085)]