131880448

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1243

約数の個数: 80

約数和(自身を含む): 311122944

約数和(自身を除く): 179242496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1187, 1736, 1792, 1984, 2374, 3472, 3584, 3968, 4748, 6944, 7936, 8309, 9496, 13888, 15872, 16618, 18992, 27776, 33236, 36797, 37984, 55552, 66472, 73594, 75968, 111104, 132944, 147188, 151936, 257579, 265888, 294376, 303872, 515158, 531776, 588752, 607744, 1030316, 1063552, 1177504, 2060632, 2127104, 2355008, 4121264, 4254208, 4710016, 8242528, 9420032, 16485056, 18840064, 32970112, 65940224, 131880448]

約数ペア:

[(1, 131880448), (2, 65940224), (4, 32970112), (7, 18840064), (8, 16485056), (14, 9420032), (16, 8242528), (28, 4710016), (31, 4254208), (32, 4121264), (56, 2355008), (62, 2127104), (64, 2060632), (112, 1177504), (124, 1063552), (128, 1030316), (217, 607744), (224, 588752), (248, 531776), (256, 515158), (434, 303872), (448, 294376), (496, 265888), (512, 257579), (868, 151936), (896, 147188), (992, 132944), (1187, 111104), (1736, 75968), (1792, 73594), (1984, 66472), (2374, 55552), (3472, 37984), (3584, 36797), (3968, 33236), (4748, 27776), (6944, 18992), (7936, 16618), (8309, 15872), (9496, 13888)]