1981563584

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30931}}^1$

素因数の和:30974

約数の個数: 112

約数和(自身を含む): 5279721216

約数和(自身を除く): 3298157632

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 448, 572, 616, 704, 728, 832, 1001, 1144, 1232, 1456, 2002, 2288, 2464, 2912, 4004, 4576, 4928, 5824, 8008, 9152, 16016, 30931, 32032, 61862, 64064, 123724, 216517, 247448, 340241, 402103, 433034, 494896, 680482, 804206, 866068, 989792, 1360964, 1608412, 1732136, 1979584, 2381687, 2721928, 2814721, 3216824, 3464272, 4423133, 4763374, 5443856, 5629442, 6433648, 6928544, 8846266, 9526748, 10887712, 11258884, 12867296, 13857088, 17692532, 19053496, 21775424, 22517768, 25734592, 30961931, 35385064, 38106992, 45035536, 61923862, 70770128, 76213984, 90071072, 123847724, 141540256, 152427968, 180142144, 247695448, 283080512, 495390896, 990781792, 1981563584]

約数ペア:

[(1, 1981563584), (2, 990781792), (4, 495390896), (7, 283080512), (8, 247695448), (11, 180142144), (13, 152427968), (14, 141540256), (16, 123847724), (22, 90071072), (26, 76213984), (28, 70770128), (32, 61923862), (44, 45035536), (52, 38106992), (56, 35385064), (64, 30961931), (77, 25734592), (88, 22517768), (91, 21775424), (104, 19053496), (112, 17692532), (143, 13857088), (154, 12867296), (176, 11258884), (182, 10887712), (208, 9526748), (224, 8846266), (286, 6928544), (308, 6433648), (352, 5629442), (364, 5443856), (416, 4763374), (448, 4423133), (572, 3464272), (616, 3216824), (704, 2814721), (728, 2721928), (832, 2381687), (1001, 1979584), (1144, 1732136), (1232, 1608412), (1456, 1360964), (2002, 989792), (2288, 866068), (2464, 804206), (2912, 680482), (4004, 494896), (4576, 433034), (4928, 402103), (5824, 340241), (8008, 247448), (9152, 216517), (16016, 123724), (30931, 64064), (32032, 61862)]