81454428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3881}}^1$

素因数の和:3955

約数の個数: 72

約数和(自身を含む): 228913776

約数和(自身を除く): 147459348

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 954, 1166, 1749, 1908, 2332, 3498, 3881, 5247, 6996, 7762, 10494, 11643, 15524, 20988, 23286, 34929, 42691, 46572, 69858, 85382, 128073, 139716, 170764, 205693, 256146, 384219, 411386, 512292, 617079, 768438, 822772, 1234158, 1536876, 1851237, 2262623, 2468316, 3702474, 4525246, 6787869, 7404948, 9050492, 13575738, 20363607, 27151476, 40727214, 81454428]

約数ペア:

[(1, 81454428), (2, 40727214), (3, 27151476), (4, 20363607), (6, 13575738), (9, 9050492), (11, 7404948), (12, 6787869), (18, 4525246), (22, 3702474), (33, 2468316), (36, 2262623), (44, 1851237), (53, 1536876), (66, 1234158), (99, 822772), (106, 768438), (132, 617079), (159, 512292), (198, 411386), (212, 384219), (318, 256146), (396, 205693), (477, 170764), (583, 139716), (636, 128073), (954, 85382), (1166, 69858), (1749, 46572), (1908, 42691), (2332, 34929), (3498, 23286), (3881, 20988), (5247, 15524), (6996, 11643), (7762, 10494)]