990720094

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 1872460800

約数和(自身を除く): 881740706

約数列:

[1, 2, 7, 13, 14, 26, 59, 91, 118, 182, 257, 359, 413, 514, 718, 767, 826, 1534, 1799, 2513, 3341, 3598, 4667, 5026, 5369, 6682, 9334, 10738, 15163, 21181, 23387, 30326, 32669, 42362, 46774, 65338, 92263, 106141, 148267, 184526, 197119, 212282, 275353, 296534, 394238, 550706, 645841, 1199419, 1291682, 1379833, 1927471, 2398838, 2759666, 3854942, 5443517, 8395933, 10887034, 16791866, 38104619, 70765721, 76209238, 141531442, 495360047, 990720094]

約数ペア:

[(1, 990720094), (2, 495360047), (7, 141531442), (13, 76209238), (14, 70765721), (26, 38104619), (59, 16791866), (91, 10887034), (118, 8395933), (182, 5443517), (257, 3854942), (359, 2759666), (413, 2398838), (514, 1927471), (718, 1379833), (767, 1291682), (826, 1199419), (1534, 645841), (1799, 550706), (2513, 394238), (3341, 296534), (3598, 275353), (4667, 212282), (5026, 197119), (5369, 184526), (6682, 148267), (9334, 106141), (10738, 92263), (15163, 65338), (21181, 46774), (23387, 42362), (30326, 32669)]