289968118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2543}}^1$

素因数の和:2700

約数の個数: 32

約数和(自身を含む): 487959552

約数和(自身を除く): 197991434

約数列:

[1, 2, 11, 22, 71, 73, 142, 146, 781, 803, 1562, 1606, 2543, 5086, 5183, 10366, 27973, 55946, 57013, 114026, 180553, 185639, 361106, 371278, 1986083, 2042029, 3972166, 4084058, 13180369, 26360738, 144984059, 289968118]

約数ペア:

[(1, 289968118), (2, 144984059), (11, 26360738), (22, 13180369), (71, 4084058), (73, 3972166), (142, 2042029), (146, 1986083), (781, 371278), (803, 361106), (1562, 185639), (1606, 180553), (2543, 114026), (5086, 57013), (5183, 55946), (10366, 27973)]