256658752

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8069}}^1$

素因数の和:8159

約数の個数: 56

約数和(自身を含む): 590336640

約数和(自身を除く): 333677888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 3976, 4544, 7952, 8069, 15904, 16138, 31808, 32276, 56483, 64552, 112966, 129104, 225932, 258208, 451864, 516416, 572899, 903728, 1145798, 1807456, 2291596, 3614912, 4010293, 4583192, 8020586, 9166384, 16041172, 18332768, 32082344, 36665536, 64164688, 128329376, 256658752]

約数ペア:

[(1, 256658752), (2, 128329376), (4, 64164688), (7, 36665536), (8, 32082344), (14, 18332768), (16, 16041172), (28, 9166384), (32, 8020586), (56, 4583192), (64, 4010293), (71, 3614912), (112, 2291596), (142, 1807456), (224, 1145798), (284, 903728), (448, 572899), (497, 516416), (568, 451864), (994, 258208), (1136, 225932), (1988, 129104), (2272, 112966), (3976, 64552), (4544, 56483), (7952, 32276), (8069, 31808), (15904, 16138)]