40199649

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 67579200

約数和(自身を除く): 27379551

約数列:

[1, 3, 7, 19, 21, 37, 49, 57, 111, 133, 147, 259, 389, 399, 703, 777, 931, 1167, 1813, 2109, 2723, 2793, 4921, 5439, 7391, 8169, 14393, 14763, 19061, 22173, 34447, 43179, 51737, 57183, 100751, 103341, 155211, 273467, 302253, 362159, 705257, 820401, 1086477, 1914269, 2115771, 5742807, 13399883, 40199649]

約数ペア:

[(1, 40199649), (3, 13399883), (7, 5742807), (19, 2115771), (21, 1914269), (37, 1086477), (49, 820401), (57, 705257), (111, 362159), (133, 302253), (147, 273467), (259, 155211), (389, 103341), (399, 100751), (703, 57183), (777, 51737), (931, 43179), (1167, 34447), (1813, 22173), (2109, 19061), (2723, 14763), (2793, 14393), (4921, 8169), (5439, 7391)]