178028718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{20089}}^1$

素因数の和:20312

約数の個数: 32

約数和(自身を含む): 408871680

約数和(自身を除く): 230842962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2954, 4431, 8862, 20089, 40178, 60267, 120534, 140623, 281246, 421869, 843738, 4238779, 8477558, 12716337, 25432674, 29671453, 59342906, 89014359, 178028718]

約数ペア:

[(1, 178028718), (2, 89014359), (3, 59342906), (6, 29671453), (7, 25432674), (14, 12716337), (21, 8477558), (42, 4238779), (211, 843738), (422, 421869), (633, 281246), (1266, 140623), (1477, 120534), (2954, 60267), (4431, 40178), (8862, 20089)]