407828015

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{907}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 580538880

約数和(自身を除く): 172710865

約数列:

[1, 5, 7, 29, 35, 145, 203, 443, 907, 1015, 2215, 3101, 4535, 6349, 12847, 15505, 26303, 31745, 64235, 89929, 131515, 184121, 401801, 449645, 920605, 2009005, 2812607, 11652229, 14063035, 58261145, 81565603, 407828015]

約数ペア:

[(1, 407828015), (5, 81565603), (7, 58261145), (29, 14063035), (35, 11652229), (145, 2812607), (203, 2009005), (443, 920605), (907, 449645), (1015, 401801), (2215, 184121), (3101, 131515), (4535, 89929), (6349, 64235), (12847, 31745), (15505, 26303)]