258571496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61331}}^1$

素因数の和:61385

約数の個数: 32

約数和(自身を含む): 529908480

約数和(自身を除く): 271336984

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 61331, 122662, 245324, 490648, 1042627, 1901261, 2085254, 3802522, 4170508, 7605044, 8341016, 15210088, 32321437, 64642874, 129285748, 258571496]

約数ペア:

[(1, 258571496), (2, 129285748), (4, 64642874), (8, 32321437), (17, 15210088), (31, 8341016), (34, 7605044), (62, 4170508), (68, 3802522), (124, 2085254), (136, 1901261), (248, 1042627), (527, 490648), (1054, 245324), (2108, 122662), (4216, 61331)]