87787553

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 108345600

約数和(自身を除く): 20558047

約数列:

[1, 7, 29, 43, 89, 113, 203, 301, 623, 791, 1247, 2581, 3277, 3827, 4859, 8729, 10057, 18067, 22939, 26789, 34013, 70399, 110983, 140911, 291653, 432451, 776881, 986377, 2041571, 3027157, 12541079, 87787553]

約数ペア:

[(1, 87787553), (7, 12541079), (29, 3027157), (43, 2041571), (89, 986377), (113, 776881), (203, 432451), (301, 291653), (623, 140911), (791, 110983), (1247, 70399), (2581, 34013), (3277, 26789), (3827, 22939), (4859, 18067), (8729, 10057)]