128974916

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{19273}}^1$

素因数の和:19523

約数の個数: 24

約数和(自身を含む): 259042560

約数和(自身を除く): 130067644

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3346, 6692, 19273, 38546, 77092, 134911, 269822, 539644, 4606247, 9212494, 18424988, 32243729, 64487458, 128974916]

約数ペア:

[(1, 128974916), (2, 64487458), (4, 32243729), (7, 18424988), (14, 9212494), (28, 4606247), (239, 539644), (478, 269822), (956, 134911), (1673, 77092), (3346, 38546), (6692, 19273)]