1640830023

素因数分解:

$3^2\times 7^3\times {\mathrm{199}}^1\times {\mathrm{2671}}^1$

素因数の和:2897

約数の個数: 48

約数和(自身を含む): 2778880000

約数和(自身を除く): 1138049977

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 199, 343, 441, 597, 1029, 1393, 1791, 2671, 3087, 4179, 8013, 9751, 12537, 18697, 24039, 29253, 56091, 68257, 87759, 130879, 168273, 204771, 392637, 531529, 614313, 916153, 1177911, 1594587, 2748459, 3720703, 4783761, 8245377, 11162109, 26044921, 33486327, 78134763, 182314447, 234404289, 546943341, 1640830023]

約数ペア:

[(1, 1640830023), (3, 546943341), (7, 234404289), (9, 182314447), (21, 78134763), (49, 33486327), (63, 26044921), (147, 11162109), (199, 8245377), (343, 4783761), (441, 3720703), (597, 2748459), (1029, 1594587), (1393, 1177911), (1791, 916153), (2671, 614313), (3087, 531529), (4179, 392637), (8013, 204771), (9751, 168273), (12537, 130879), (18697, 87759), (24039, 68257), (29253, 56091)]