140666747

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18371}}^1$

素因数の和:18434

約数の個数: 16

約数和(自身を含む): 164613120

約数和(自身を除く): 23946373

約数列:

[1, 13, 19, 31, 247, 403, 589, 7657, 18371, 238823, 349049, 569501, 4537637, 7403513, 10820519, 140666747]

約数ペア:

[(1, 140666747), (13, 10820519), (19, 7403513), (31, 4537637), (247, 569501), (403, 349049), (589, 238823), (7657, 18371)]