72156784

素因数分解:

$2^4\times 7^1\times {\mathrm{644257}}^1$

素因数の和:644272

約数の個数: 20

約数和(自身を含む): 159775984

約数和(自身を除く): 87619200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 644257, 1288514, 2577028, 4509799, 5154056, 9019598, 10308112, 18039196, 36078392, 72156784]

約数ペア:

[(1, 72156784), (2, 36078392), (4, 18039196), (7, 10308112), (8, 9019598), (14, 5154056), (16, 4509799), (28, 2577028), (56, 1288514), (112, 644257)]