388675552

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{639269}}^1$

素因数の和:639298

約数の個数: 24

約数和(自身を含む): 805480200

約数和(自身を除く): 416804648

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 639269, 1278538, 2557076, 5114152, 10228304, 12146111, 20456608, 24292222, 48584444, 97168888, 194337776, 388675552]

約数ペア:

[(1, 388675552), (2, 194337776), (4, 97168888), (8, 48584444), (16, 24292222), (19, 20456608), (32, 12146111), (38, 10228304), (76, 5114152), (152, 2557076), (304, 1278538), (608, 639269)]