25981788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6581}}^1$

素因数の和:6642

約数の個数: 48

約数和(自身を含む): 70769664

約数和(自身を除く): 44787876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 6581, 13162, 19743, 26324, 39486, 46067, 78972, 92134, 138201, 184268, 276402, 309307, 552804, 618614, 927921, 1237228, 1855842, 2165149, 3711684, 4330298, 6495447, 8660596, 12990894, 25981788]

約数ペア:

[(1, 25981788), (2, 12990894), (3, 8660596), (4, 6495447), (6, 4330298), (7, 3711684), (12, 2165149), (14, 1855842), (21, 1237228), (28, 927921), (42, 618614), (47, 552804), (84, 309307), (94, 276402), (141, 184268), (188, 138201), (282, 92134), (329, 78972), (564, 46067), (658, 39486), (987, 26324), (1316, 19743), (1974, 13162), (3948, 6581)]