65720278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{769}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 112543200

約数和(自身を除く): 46822922

約数列:

[1, 2, 13, 19, 26, 38, 173, 247, 346, 494, 769, 1538, 2249, 3287, 4498, 6574, 9997, 14611, 19994, 29222, 42731, 85462, 133037, 189943, 266074, 379886, 1729481, 2527703, 3458962, 5055406, 32860139, 65720278]

約数ペア:

[(1, 65720278), (2, 32860139), (13, 5055406), (19, 3458962), (26, 2527703), (38, 1729481), (173, 379886), (247, 266074), (346, 189943), (494, 133037), (769, 85462), (1538, 42731), (2249, 29222), (3287, 19994), (4498, 14611), (6574, 9997)]