81508936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{536243}}^1$

素因数の和:536268

約数の個数: 16

約数和(自身を含む): 160873200

約数和(自身を除く): 79364264

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 536243, 1072486, 2144972, 4289944, 10188617, 20377234, 40754468, 81508936]

約数ペア:

[(1, 81508936), (2, 40754468), (4, 20377234), (8, 10188617), (19, 4289944), (38, 2144972), (76, 1072486), (152, 536243)]