158639257

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 202176000

約数和(自身を除く): 43536743

約数列:

[1, 7, 17, 23, 119, 149, 161, 389, 391, 1043, 2533, 2723, 2737, 3427, 6613, 8947, 17731, 23989, 46291, 57961, 58259, 62629, 152099, 405727, 407813, 985337, 1064693, 1333103, 6897359, 9331721, 22662751, 158639257]

約数ペア:

[(1, 158639257), (7, 22662751), (17, 9331721), (23, 6897359), (119, 1333103), (149, 1064693), (161, 985337), (389, 407813), (391, 405727), (1043, 152099), (2533, 62629), (2723, 58259), (2737, 57961), (3427, 46291), (6613, 23989), (8947, 17731)]