2578492084

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{19937}}^1$

素因数の和:20128

約数の個数: 48

約数和(自身を含む): 5359334400

約数和(自身を除く): 2780842316

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 149, 217, 298, 434, 596, 868, 1043, 2086, 4172, 4619, 9238, 18476, 19937, 32333, 39874, 64666, 79748, 129332, 139559, 279118, 558236, 618047, 1236094, 2472188, 2970613, 4326329, 5941226, 8652658, 11882452, 17305316, 20794291, 41588582, 83177164, 92089003, 184178006, 368356012, 644623021, 1289246042, 2578492084]

約数ペア:

[(1, 2578492084), (2, 1289246042), (4, 644623021), (7, 368356012), (14, 184178006), (28, 92089003), (31, 83177164), (62, 41588582), (124, 20794291), (149, 17305316), (217, 11882452), (298, 8652658), (434, 5941226), (596, 4326329), (868, 2970613), (1043, 2472188), (2086, 1236094), (4172, 618047), (4619, 558236), (9238, 279118), (18476, 139559), (19937, 129332), (32333, 79748), (39874, 64666)]