25564385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2887}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 39923712

約数和(自身を除く): 14359327

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2887, 8855, 14435, 20209, 31757, 66401, 101045, 158785, 222299, 332005, 464807, 730411, 1111495, 2324035, 3652055, 5112877, 25564385]

約数ペア:

[(1, 25564385), (5, 5112877), (7, 3652055), (11, 2324035), (23, 1111495), (35, 730411), (55, 464807), (77, 332005), (115, 222299), (161, 158785), (253, 101045), (385, 66401), (805, 31757), (1265, 20209), (1771, 14435), (2887, 8855)]