272890486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 454035456

約数和(自身を除く): 181144970

約数列:

[1, 2, 11, 22, 101, 191, 202, 382, 643, 1111, 1286, 2101, 2222, 4202, 7073, 14146, 19291, 38582, 64943, 122813, 129886, 212201, 245626, 424402, 714373, 1350943, 1428746, 2701886, 12404113, 24808226, 136445243, 272890486]

約数ペア:

[(1, 272890486), (2, 136445243), (11, 24808226), (22, 12404113), (101, 2701886), (191, 1428746), (202, 1350943), (382, 714373), (643, 424402), (1111, 245626), (1286, 212201), (2101, 129886), (2222, 122813), (4202, 64943), (7073, 38582), (14146, 19291)]