209686490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{37511}}^1$

素因数の和:37574

約数の個数: 32

約数和(自身を含む): 415933056

約数和(自身を除く): 206246566

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 37511, 75022, 187555, 375110, 487643, 975286, 1612973, 2438215, 3225946, 4876430, 8064865, 16129730, 20968649, 41937298, 104843245, 209686490]

約数ペア:

[(1, 209686490), (2, 104843245), (5, 41937298), (10, 20968649), (13, 16129730), (26, 8064865), (43, 4876430), (65, 3225946), (86, 2438215), (130, 1612973), (215, 975286), (430, 487643), (559, 375110), (1118, 187555), (2795, 75022), (5590, 37511)]