72161776

素因数分解:

$2^4\times {\mathrm{1069}}^1\times {\mathrm{4219}}^1$

素因数の和:5296

約数の個数: 20

約数和(自身を含む): 139977400

約数和(自身を除く): 67815624

約数列:

[1, 2, 4, 8, 16, 1069, 2138, 4219, 4276, 8438, 8552, 16876, 17104, 33752, 67504, 4510111, 9020222, 18040444, 36080888, 72161776]

約数ペア:

[(1, 72161776), (2, 36080888), (4, 18040444), (8, 9020222), (16, 4510111), (1069, 67504), (2138, 33752), (4219, 17104), (4276, 16876), (8438, 8552)]