2005457909

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{5801}}^1$

素因数の和:5981

約数の個数: 32

約数和(自身を含む): 2573303040

約数和(自身を除く): 567845131

約数列:

[1, 7, 13, 29, 91, 131, 203, 377, 917, 1703, 2639, 3799, 5801, 11921, 26593, 40607, 49387, 75413, 168229, 345709, 527891, 759931, 1177603, 2186977, 5319517, 9879103, 15308839, 22037999, 69153721, 154265993, 286493987, 2005457909]

約数ペア:

[(1, 2005457909), (7, 286493987), (13, 154265993), (29, 69153721), (91, 22037999), (131, 15308839), (203, 9879103), (377, 5319517), (917, 2186977), (1703, 1177603), (2639, 759931), (3799, 527891), (5801, 345709), (11921, 168229), (26593, 75413), (40607, 49387)]