28230181

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 7896539

約数列:

[1, 7, 19, 31, 41, 133, 167, 217, 287, 589, 779, 1169, 1271, 3173, 4123, 5177, 5453, 6847, 8897, 22211, 24149, 36239, 47929, 98363, 130093, 169043, 212257, 688541, 910651, 1485799, 4032883, 28230181]

約数ペア:

[(1, 28230181), (7, 4032883), (19, 1485799), (31, 910651), (41, 688541), (133, 212257), (167, 169043), (217, 130093), (287, 98363), (589, 47929), (779, 36239), (1169, 24149), (1271, 22211), (3173, 8897), (4123, 6847), (5177, 5453)]