25712295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3449}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 47692800

約数和(自身を除く): 21980505

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 3449, 7455, 10347, 17245, 24143, 51735, 72429, 120715, 244879, 362145, 734637, 1224395, 1714153, 3673185, 5142459, 8570765, 25712295]

約数ペア:

[(1, 25712295), (3, 8570765), (5, 5142459), (7, 3673185), (15, 1714153), (21, 1224395), (35, 734637), (71, 362145), (105, 244879), (213, 120715), (355, 72429), (497, 51735), (1065, 24143), (1491, 17245), (2485, 10347), (3449, 7455)]