128444456

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{6389}}^1$

素因数の和:6761

約数の個数: 32

約数和(自身を含む): 276048000

約数和(自身を除く): 147603544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 1436, 2513, 2872, 5026, 6389, 10052, 12778, 20104, 25556, 44723, 51112, 89446, 178892, 357784, 2293651, 4587302, 9174604, 16055557, 18349208, 32111114, 64222228, 128444456]

約数ペア:

[(1, 128444456), (2, 64222228), (4, 32111114), (7, 18349208), (8, 16055557), (14, 9174604), (28, 4587302), (56, 2293651), (359, 357784), (718, 178892), (1436, 89446), (2513, 51112), (2872, 44723), (5026, 25556), (6389, 20104), (10052, 12778)]