249919490

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 455583744

約数和(自身を除く): 205664254

約数列:

[1, 2, 5, 10, 127, 254, 307, 614, 635, 641, 1270, 1282, 1535, 3070, 3205, 6410, 38989, 77978, 81407, 162814, 194945, 196787, 389890, 393574, 407035, 814070, 983935, 1967870, 24991949, 49983898, 124959745, 249919490]

約数ペア:

[(1, 249919490), (2, 124959745), (5, 49983898), (10, 24991949), (127, 1967870), (254, 983935), (307, 814070), (614, 407035), (635, 393574), (641, 389890), (1270, 196787), (1282, 194945), (1535, 162814), (3070, 81407), (3205, 77978), (6410, 38989)]