388637872

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 881943552

約数和(自身を除く): 493305680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 97, 112, 166, 194, 332, 388, 431, 581, 664, 679, 776, 862, 1162, 1328, 1358, 1552, 1724, 2324, 2716, 3017, 3448, 4648, 5432, 6034, 6896, 8051, 9296, 10864, 12068, 16102, 24136, 32204, 35773, 41807, 48272, 56357, 64408, 71546, 83614, 112714, 128816, 143092, 167228, 225428, 250411, 286184, 292649, 334456, 450856, 500822, 572368, 585298, 668912, 901712, 1001644, 1170596, 2003288, 2341192, 3469981, 4006576, 4682384, 6939962, 13879924, 24289867, 27759848, 48579734, 55519696, 97159468, 194318936, 388637872]

約数ペア:

[(1, 388637872), (2, 194318936), (4, 97159468), (7, 55519696), (8, 48579734), (14, 27759848), (16, 24289867), (28, 13879924), (56, 6939962), (83, 4682384), (97, 4006576), (112, 3469981), (166, 2341192), (194, 2003288), (332, 1170596), (388, 1001644), (431, 901712), (581, 668912), (664, 585298), (679, 572368), (776, 500822), (862, 450856), (1162, 334456), (1328, 292649), (1358, 286184), (1552, 250411), (1724, 225428), (2324, 167228), (2716, 143092), (3017, 128816), (3448, 112714), (4648, 83614), (5432, 71546), (6034, 64408), (6896, 56357), (8051, 48272), (9296, 41807), (10864, 35773), (12068, 32204), (16102, 24136)]