254488390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{2833}}^1$

素因数の和:3544

約数の個数: 32

約数和(自身を含む): 494204256

約数和(自身を除く): 239715866

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 691, 1382, 2833, 3455, 5666, 6910, 8983, 14165, 17966, 28330, 36829, 44915, 73658, 89830, 184145, 368290, 1957603, 3915206, 9788015, 19576030, 25448839, 50897678, 127244195, 254488390]

約数ペア:

[(1, 254488390), (2, 127244195), (5, 50897678), (10, 25448839), (13, 19576030), (26, 9788015), (65, 3915206), (130, 1957603), (691, 368290), (1382, 184145), (2833, 89830), (3455, 73658), (5666, 44915), (6910, 36829), (8983, 28330), (14165, 17966)]