620848144

素因数分解:

$2^4\times 7^1\times {\mathrm{281}}^1\times {\mathrm{19727}}^1$

素因数の和:20023

約数の個数: 40

約数和(自身を含む): 1379697408

約数和(自身を除く): 758849264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 281, 562, 1124, 1967, 2248, 3934, 4496, 7868, 15736, 19727, 31472, 39454, 78908, 138089, 157816, 276178, 315632, 552356, 1104712, 2209424, 5543287, 11086574, 22173148, 38803009, 44346296, 77606018, 88692592, 155212036, 310424072, 620848144]

約数ペア:

[(1, 620848144), (2, 310424072), (4, 155212036), (7, 88692592), (8, 77606018), (14, 44346296), (16, 38803009), (28, 22173148), (56, 11086574), (112, 5543287), (281, 2209424), (562, 1104712), (1124, 552356), (1967, 315632), (2248, 276178), (3934, 157816), (4496, 138089), (7868, 78908), (15736, 39454), (19727, 31472)]