25213636

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:868

約数の個数: 36

約数和(自身を含む): 51667308

約数和(自身を除く): 26453672

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 653, 788, 1306, 1379, 2612, 2758, 4571, 5516, 9142, 9653, 18284, 19306, 31997, 38612, 63994, 127988, 128641, 257282, 514564, 900487, 1800974, 3601948, 6303409, 12606818, 25213636]

約数ペア:

[(1, 25213636), (2, 12606818), (4, 6303409), (7, 3601948), (14, 1800974), (28, 900487), (49, 514564), (98, 257282), (196, 128641), (197, 127988), (394, 63994), (653, 38612), (788, 31997), (1306, 19306), (1379, 18284), (2612, 9653), (2758, 9142), (4571, 5516)]