279745528

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{1321}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 532078560

約数和(自身を除く): 252333032

約数列:

[1, 2, 4, 8, 103, 206, 257, 412, 514, 824, 1028, 1321, 2056, 2642, 5284, 10568, 26471, 52942, 105884, 136063, 211768, 272126, 339497, 544252, 678994, 1088504, 1357988, 2715976, 34968191, 69936382, 139872764, 279745528]

約数ペア:

[(1, 279745528), (2, 139872764), (4, 69936382), (8, 34968191), (103, 2715976), (206, 1357988), (257, 1088504), (412, 678994), (514, 544252), (824, 339497), (1028, 272126), (1321, 211768), (2056, 136063), (2642, 105884), (5284, 52942), (10568, 26471)]