398286784

素因数分解:

$2^6\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1321}}^1$

素因数の和:2013

約数の個数: 56

約数和(自身を含む): 905284448

約数和(自身を除く): 506997664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 673, 1321, 1346, 2642, 2692, 4711, 5284, 5384, 9247, 9422, 10568, 10768, 18494, 18844, 21136, 21536, 36988, 37688, 42272, 43072, 73976, 75376, 84544, 147952, 150752, 295904, 301504, 591808, 889033, 1778066, 3556132, 6223231, 7112264, 12446462, 14224528, 24892924, 28449056, 49785848, 56898112, 99571696, 199143392, 398286784]

約数ペア:

[(1, 398286784), (2, 199143392), (4, 99571696), (7, 56898112), (8, 49785848), (14, 28449056), (16, 24892924), (28, 14224528), (32, 12446462), (56, 7112264), (64, 6223231), (112, 3556132), (224, 1778066), (448, 889033), (673, 591808), (1321, 301504), (1346, 295904), (2642, 150752), (2692, 147952), (4711, 84544), (5284, 75376), (5384, 73976), (9247, 43072), (9422, 42272), (10568, 37688), (10768, 36988), (18494, 21536), (18844, 21136)]