206784578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103289}}^1$

素因数の和:103322

約数の個数: 32

約数和(自身を含む): 416465280

約数和(自身を除く): 209680702

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 103289, 206578, 723023, 1136179, 1342757, 1446046, 2272358, 2685514, 7953253, 9399299, 14770327, 15906506, 18798598, 29540654, 103392289, 206784578]

約数ペア:

[(1, 206784578), (2, 103392289), (7, 29540654), (11, 18798598), (13, 15906506), (14, 14770327), (22, 9399299), (26, 7953253), (77, 2685514), (91, 2272358), (143, 1446046), (154, 1342757), (182, 1136179), (286, 723023), (1001, 206578), (2002, 103289)]