208937456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{143501}}^1$

素因数の和:143529

約数の個数: 40

約数和(自身を含む): 498238944

約数和(自身を除く): 289301488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 143501, 287002, 574004, 1004507, 1148008, 1865513, 2009014, 2296016, 3731026, 4018028, 7462052, 8036056, 13058591, 14924104, 16072112, 26117182, 29848208, 52234364, 104468728, 208937456]

約数ペア:

[(1, 208937456), (2, 104468728), (4, 52234364), (7, 29848208), (8, 26117182), (13, 16072112), (14, 14924104), (16, 13058591), (26, 8036056), (28, 7462052), (52, 4018028), (56, 3731026), (91, 2296016), (104, 2009014), (112, 1865513), (182, 1148008), (208, 1004507), (364, 574004), (728, 287002), (1456, 143501)]