2051215775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{1321}}^1$

素因数の和:1824

約数の個数: 48

約数和(自身を含む): 3068732160

約数和(自身を除く): 1017516385

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 467, 475, 665, 1321, 2335, 3269, 3325, 6605, 8873, 9247, 11675, 16345, 25099, 33025, 44365, 46235, 62111, 81725, 125495, 175693, 221825, 231175, 310555, 616907, 627475, 878465, 1552775, 3084535, 4318349, 4392325, 11721233, 15422675, 21591745, 58606165, 82048631, 107958725, 293030825, 410243155, 2051215775]

約数ペア:

[(1, 2051215775), (5, 410243155), (7, 293030825), (19, 107958725), (25, 82048631), (35, 58606165), (95, 21591745), (133, 15422675), (175, 11721233), (467, 4392325), (475, 4318349), (665, 3084535), (1321, 1552775), (2335, 878465), (3269, 627475), (3325, 616907), (6605, 310555), (8873, 231175), (9247, 221825), (11675, 175693), (16345, 125495), (25099, 81725), (33025, 62111), (44365, 46235)]