25943379

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 47554560

約数和(自身を除く): 21611181

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 57, 69, 77, 133, 161, 209, 231, 253, 257, 399, 437, 483, 627, 759, 771, 1311, 1463, 1771, 1799, 2827, 3059, 4389, 4807, 4883, 5313, 5397, 5911, 8481, 9177, 14421, 14649, 17733, 19789, 33649, 34181, 41377, 53713, 59367, 65021, 100947, 102543, 112309, 124131, 161139, 195063, 336927, 375991, 455147, 786163, 1127973, 1235399, 1365441, 2358489, 3706197, 8647793, 25943379]

約数ペア:

[(1, 25943379), (3, 8647793), (7, 3706197), (11, 2358489), (19, 1365441), (21, 1235399), (23, 1127973), (33, 786163), (57, 455147), (69, 375991), (77, 336927), (133, 195063), (161, 161139), (209, 124131), (231, 112309), (253, 102543), (257, 100947), (399, 65021), (437, 59367), (483, 53713), (627, 41377), (759, 34181), (771, 33649), (1311, 19789), (1463, 17733), (1771, 14649), (1799, 14421), (2827, 9177), (3059, 8481), (4389, 5911), (4807, 5397), (4883, 5313)]