978263552

素因数分解:

$2^9\times 7^1\times {\mathrm{499}}^1\times {\mathrm{547}}^1$

素因数の和:1071

約数の個数: 80

約数和(自身を含む): 2242416000

約数和(自身を除く): 1264152448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 499, 512, 547, 896, 998, 1094, 1792, 1996, 2188, 3493, 3584, 3829, 3992, 4376, 6986, 7658, 7984, 8752, 13972, 15316, 15968, 17504, 27944, 30632, 31936, 35008, 55888, 61264, 63872, 70016, 111776, 122528, 127744, 140032, 223552, 245056, 255488, 272953, 280064, 447104, 490112, 545906, 894208, 980224, 1091812, 1788416, 1910671, 1960448, 2183624, 3821342, 4367248, 7642684, 8734496, 15285368, 17468992, 30570736, 34937984, 61141472, 69875968, 122282944, 139751936, 244565888, 489131776, 978263552]

約数ペア:

[(1, 978263552), (2, 489131776), (4, 244565888), (7, 139751936), (8, 122282944), (14, 69875968), (16, 61141472), (28, 34937984), (32, 30570736), (56, 17468992), (64, 15285368), (112, 8734496), (128, 7642684), (224, 4367248), (256, 3821342), (448, 2183624), (499, 1960448), (512, 1910671), (547, 1788416), (896, 1091812), (998, 980224), (1094, 894208), (1792, 545906), (1996, 490112), (2188, 447104), (3493, 280064), (3584, 272953), (3829, 255488), (3992, 245056), (4376, 223552), (6986, 140032), (7658, 127744), (7984, 122528), (8752, 111776), (13972, 70016), (15316, 63872), (15968, 61264), (17504, 55888), (27944, 35008), (30632, 31936)]