280120906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{739}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 462470400

約数和(自身を除く): 182349494

約数列:

[1, 2, 13, 26, 61, 122, 239, 478, 739, 793, 1478, 1586, 3107, 6214, 9607, 14579, 19214, 29158, 45079, 90158, 176621, 189527, 353242, 379054, 586027, 1172054, 2296073, 4592146, 10773881, 21547762, 140060453, 280120906]

約数ペア:

[(1, 280120906), (2, 140060453), (13, 21547762), (26, 10773881), (61, 4592146), (122, 2296073), (239, 1172054), (478, 586027), (739, 379054), (793, 353242), (1478, 189527), (1586, 176621), (3107, 90158), (6214, 45079), (9607, 29158), (14579, 19214)]