28427412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1223}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 71971200

約数和(自身を除く): 43543788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 298, 447, 596, 894, 1223, 1788, 1937, 2446, 3669, 3874, 4892, 5811, 7338, 7748, 11622, 14676, 15899, 23244, 31798, 47697, 63596, 95394, 182227, 190788, 364454, 546681, 728908, 1093362, 2186724, 2368951, 4737902, 7106853, 9475804, 14213706, 28427412]

約数ペア:

[(1, 28427412), (2, 14213706), (3, 9475804), (4, 7106853), (6, 4737902), (12, 2368951), (13, 2186724), (26, 1093362), (39, 728908), (52, 546681), (78, 364454), (149, 190788), (156, 182227), (298, 95394), (447, 63596), (596, 47697), (894, 31798), (1223, 23244), (1788, 15899), (1937, 14676), (2446, 11622), (3669, 7748), (3874, 7338), (4892, 5811)]