7821198

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:65

約数の個数: 144

約数和(自身を含む): 23237760

約数和(自身を除く): 15416562

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 27, 33, 38, 42, 54, 57, 63, 66, 77, 81, 99, 114, 121, 126, 133, 154, 162, 171, 189, 198, 209, 231, 242, 243, 266, 297, 342, 363, 378, 399, 418, 462, 486, 513, 567, 594, 627, 693, 726, 798, 847, 891, 1026, 1089, 1134, 1197, 1254, 1386, 1463, 1539, 1694, 1701, 1782, 1881, 2079, 2178, 2299, 2394, 2541, 2673, 2926, 3078, 3267, 3402, 3591, 3762, 4158, 4389, 4598, 4617, 5082, 5346, 5643, 6237, 6534, 6897, 7182, 7623, 8778, 9234, 9801, 10773, 11286, 12474, 13167, 13794, 15246, 16093, 16929, 18711, 19602, 20691, 21546, 22869, 26334, 29403, 32186, 32319, 33858, 37422, 39501, 41382, 45738, 48279, 50787, 58806, 62073, 64638, 68607, 79002, 96558, 101574, 118503, 124146, 137214, 144837, 186219, 205821, 237006, 289674, 355509, 372438, 411642, 434511, 558657, 711018, 869022, 1117314, 1303533, 2607066, 3910599, 7821198]

約数ペア:

[(1, 7821198), (2, 3910599), (3, 2607066), (6, 1303533), (7, 1117314), (9, 869022), (11, 711018), (14, 558657), (18, 434511), (19, 411642), (21, 372438), (22, 355509), (27, 289674), (33, 237006), (38, 205821), (42, 186219), (54, 144837), (57, 137214), (63, 124146), (66, 118503), (77, 101574), (81, 96558), (99, 79002), (114, 68607), (121, 64638), (126, 62073), (133, 58806), (154, 50787), (162, 48279), (171, 45738), (189, 41382), (198, 39501), (209, 37422), (231, 33858), (242, 32319), (243, 32186), (266, 29403), (297, 26334), (342, 22869), (363, 21546), (378, 20691), (399, 19602), (418, 18711), (462, 16929), (486, 16093), (513, 15246), (567, 13794), (594, 13167), (627, 12474), (693, 11286), (726, 10773), (798, 9801), (847, 9234), (891, 8778), (1026, 7623), (1089, 7182), (1134, 6897), (1197, 6534), (1254, 6237), (1386, 5643), (1463, 5346), (1539, 5082), (1694, 4617), (1701, 4598), (1782, 4389), (1881, 4158), (2079, 3762), (2178, 3591), (2299, 3402), (2394, 3267), (2541, 3078), (2673, 2926)]