178256214

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 80

約数和(自身を含む): 435164400

約数和(自身を除く): 256908186

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 38, 54, 57, 58, 81, 87, 114, 162, 171, 174, 261, 342, 513, 522, 551, 783, 1026, 1102, 1539, 1566, 1653, 1997, 2349, 3078, 3306, 3994, 4698, 4959, 5991, 9918, 11982, 14877, 17973, 29754, 35946, 37943, 44631, 53919, 57913, 75886, 89262, 107838, 113829, 115826, 161757, 173739, 227658, 323514, 341487, 347478, 521217, 682974, 1024461, 1042434, 1100347, 1563651, 2048922, 2200694, 3073383, 3127302, 3301041, 4690953, 6146766, 6602082, 9381906, 9903123, 19806246, 29709369, 59418738, 89128107, 178256214]

約数ペア:

[(1, 178256214), (2, 89128107), (3, 59418738), (6, 29709369), (9, 19806246), (18, 9903123), (19, 9381906), (27, 6602082), (29, 6146766), (38, 4690953), (54, 3301041), (57, 3127302), (58, 3073383), (81, 2200694), (87, 2048922), (114, 1563651), (162, 1100347), (171, 1042434), (174, 1024461), (261, 682974), (342, 521217), (513, 347478), (522, 341487), (551, 323514), (783, 227658), (1026, 173739), (1102, 161757), (1539, 115826), (1566, 113829), (1653, 107838), (1997, 89262), (2349, 75886), (3078, 57913), (3306, 53919), (3994, 44631), (4698, 37943), (4959, 35946), (5991, 29754), (9918, 17973), (11982, 14877)]