289691272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{12491}}^1$

素因数の和:12733

約数の個数: 32

約数和(自身を含む): 587623680

約数和(自身を除く): 297932408

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 223, 446, 892, 1784, 2899, 5798, 11596, 12491, 23192, 24982, 49964, 99928, 162383, 324766, 649532, 1299064, 2785493, 5570986, 11141972, 22283944, 36211409, 72422818, 144845636, 289691272]

約数ペア:

[(1, 289691272), (2, 144845636), (4, 72422818), (8, 36211409), (13, 22283944), (26, 11141972), (52, 5570986), (104, 2785493), (223, 1299064), (446, 649532), (892, 324766), (1784, 162383), (2899, 99928), (5798, 49964), (11596, 24982), (12491, 23192)]