40887196

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 84091392

約数和(自身を除く): 43204196

約数列:

[1, 2, 4, 7, 14, 28, 71, 131, 142, 157, 262, 284, 314, 497, 524, 628, 917, 994, 1099, 1834, 1988, 2198, 3668, 4396, 9301, 11147, 18602, 20567, 22294, 37204, 41134, 44588, 65107, 78029, 82268, 130214, 143969, 156058, 260428, 287938, 312116, 575876, 1460257, 2920514, 5841028, 10221799, 20443598, 40887196]

約数ペア:

[(1, 40887196), (2, 20443598), (4, 10221799), (7, 5841028), (14, 2920514), (28, 1460257), (71, 575876), (131, 312116), (142, 287938), (157, 260428), (262, 156058), (284, 143969), (314, 130214), (497, 82268), (524, 78029), (628, 65107), (917, 44588), (994, 41134), (1099, 37204), (1834, 22294), (1988, 20567), (2198, 18602), (3668, 11147), (4396, 9301)]