201639685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3797}}^1$

素因数の和:3877

約数の個数: 32

約数和(自身を含む): 280748160

約数和(自身を除く): 79108475

約数列:

[1, 5, 13, 19, 43, 65, 95, 215, 247, 559, 817, 1235, 2795, 3797, 4085, 10621, 18985, 49361, 53105, 72143, 163271, 246805, 360715, 816355, 937859, 2122523, 3102149, 4689295, 10612615, 15510745, 40327937, 201639685]

約数ペア:

[(1, 201639685), (5, 40327937), (13, 15510745), (19, 10612615), (43, 4689295), (65, 3102149), (95, 2122523), (215, 937859), (247, 816355), (559, 360715), (817, 246805), (1235, 163271), (2795, 72143), (3797, 53105), (4085, 49361), (10621, 18985)]