161574842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 295384320

約数和(自身を除く): 133809478

約数列:

[1, 2, 11, 13, 22, 26, 71, 73, 109, 142, 143, 146, 218, 286, 781, 803, 923, 949, 1199, 1417, 1562, 1606, 1846, 1898, 2398, 2834, 5183, 7739, 7957, 10153, 10366, 10439, 15478, 15587, 15914, 20306, 20878, 31174, 57013, 67379, 85129, 87527, 100607, 103441, 114026, 134758, 170258, 175054, 201214, 206882, 564947, 741169, 1106677, 1129894, 1137851, 1482338, 2213354, 2275702, 6214417, 7344311, 12428834, 14688622, 80787421, 161574842]

約数ペア:

[(1, 161574842), (2, 80787421), (11, 14688622), (13, 12428834), (22, 7344311), (26, 6214417), (71, 2275702), (73, 2213354), (109, 1482338), (142, 1137851), (143, 1129894), (146, 1106677), (218, 741169), (286, 564947), (781, 206882), (803, 201214), (923, 175054), (949, 170258), (1199, 134758), (1417, 114026), (1562, 103441), (1606, 100607), (1846, 87527), (1898, 85129), (2398, 67379), (2834, 57013), (5183, 31174), (7739, 20878), (7957, 20306), (10153, 15914), (10366, 15587), (10439, 15478)]