659339980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{195071}}^1$

素因数の和:195106

約数の個数: 36

約数和(自身を含む): 1499323392

約数和(自身を除く): 839983412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 195071, 390142, 780284, 975355, 1950710, 2535923, 3901420, 5071846, 10143692, 12679615, 25359230, 32966999, 50718460, 65933998, 131867996, 164834995, 329669990, 659339980]

約数ペア:

[(1, 659339980), (2, 329669990), (4, 164834995), (5, 131867996), (10, 65933998), (13, 50718460), (20, 32966999), (26, 25359230), (52, 12679615), (65, 10143692), (130, 5071846), (169, 3901420), (260, 2535923), (338, 1950710), (676, 975355), (845, 780284), (1690, 390142), (3380, 195071)]