1681316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 3763200

約数和(自身を除く): 2081884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 149, 182, 217, 298, 364, 403, 434, 596, 806, 868, 1043, 1612, 1937, 2086, 2821, 3874, 4172, 4619, 5642, 7748, 9238, 11284, 13559, 18476, 27118, 32333, 54236, 60047, 64666, 120094, 129332, 240188, 420329, 840658, 1681316]

約数ペア:

[(1, 1681316), (2, 840658), (4, 420329), (7, 240188), (13, 129332), (14, 120094), (26, 64666), (28, 60047), (31, 54236), (52, 32333), (62, 27118), (91, 18476), (124, 13559), (149, 11284), (182, 9238), (217, 7748), (298, 5642), (364, 4619), (403, 4172), (434, 3874), (596, 2821), (806, 2086), (868, 1937), (1043, 1612)]