289675904

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10429}}^1$

素因数の和:10481

約数の個数: 64

約数和(自身を含む): 680870400

約数和(自身を除く): 391194496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 10429, 13888, 20858, 27776, 41716, 73003, 83432, 146006, 166864, 292012, 323299, 333728, 584024, 646598, 667456, 1168048, 1293196, 1334912, 2263093, 2336096, 2586392, 4526186, 4672192, 5172784, 9052372, 9344384, 10345568, 18104744, 20691136, 36209488, 41382272, 72418976, 144837952, 289675904]

約数ペア:

[(1, 289675904), (2, 144837952), (4, 72418976), (7, 41382272), (8, 36209488), (14, 20691136), (16, 18104744), (28, 10345568), (31, 9344384), (32, 9052372), (56, 5172784), (62, 4672192), (64, 4526186), (112, 2586392), (124, 2336096), (128, 2263093), (217, 1334912), (224, 1293196), (248, 1168048), (434, 667456), (448, 646598), (496, 584024), (868, 333728), (896, 323299), (992, 292012), (1736, 166864), (1984, 146006), (3472, 83432), (3968, 73003), (6944, 41716), (10429, 27776), (13888, 20858)]