1980996836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{132739}}^1$

素因数の和:132804

約数の個数: 48

約数和(自身を含む): 4370862720

約数和(自身を除く): 2389865884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 132739, 265478, 530956, 929173, 1725607, 1858346, 3451214, 3716692, 5442299, 6902428, 10884598, 12079249, 21769196, 24158498, 38096093, 48316996, 70749887, 76192186, 141499774, 152384372, 282999548, 495249209, 990498418, 1980996836]

約数ペア:

[(1, 1980996836), (2, 990498418), (4, 495249209), (7, 282999548), (13, 152384372), (14, 141499774), (26, 76192186), (28, 70749887), (41, 48316996), (52, 38096093), (82, 24158498), (91, 21769196), (164, 12079249), (182, 10884598), (287, 6902428), (364, 5442299), (533, 3716692), (574, 3451214), (1066, 1858346), (1148, 1725607), (2132, 929173), (3731, 530956), (7462, 265478), (14924, 132739)]