499542911

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 620421120

約数和(自身を除く): 120878209

約数列:

[1, 7, 23, 43, 59, 161, 301, 413, 989, 1223, 1357, 2537, 6923, 8561, 9499, 17759, 28129, 52589, 58351, 72157, 196903, 368123, 408457, 505099, 1209547, 1659611, 3102751, 8466829, 11617277, 21719257, 71363273, 499542911]

約数ペア:

[(1, 499542911), (7, 71363273), (23, 21719257), (43, 11617277), (59, 8466829), (161, 3102751), (301, 1659611), (413, 1209547), (989, 505099), (1223, 408457), (1357, 368123), (2537, 196903), (6923, 72157), (8561, 58351), (9499, 52589), (17759, 28129)]