81291528

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 227485440

約数和(自身を除く): 146193912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 83, 122, 166, 183, 223, 244, 249, 332, 366, 446, 488, 498, 549, 664, 669, 732, 747, 892, 996, 1098, 1338, 1464, 1494, 1784, 1992, 2007, 2196, 2676, 2988, 4014, 4392, 5063, 5352, 5976, 8028, 10126, 13603, 15189, 16056, 18509, 20252, 27206, 30378, 37018, 40504, 40809, 45567, 54412, 55527, 60756, 74036, 81618, 91134, 108824, 111054, 121512, 122427, 148072, 163236, 166581, 182268, 222108, 244854, 326472, 333162, 364536, 444216, 489708, 666324, 979416, 1129049, 1332648, 2258098, 3387147, 4516196, 6774294, 9032392, 10161441, 13548588, 20322882, 27097176, 40645764, 81291528]

約数ペア:

[(1, 81291528), (2, 40645764), (3, 27097176), (4, 20322882), (6, 13548588), (8, 10161441), (9, 9032392), (12, 6774294), (18, 4516196), (24, 3387147), (36, 2258098), (61, 1332648), (72, 1129049), (83, 979416), (122, 666324), (166, 489708), (183, 444216), (223, 364536), (244, 333162), (249, 326472), (332, 244854), (366, 222108), (446, 182268), (488, 166581), (498, 163236), (549, 148072), (664, 122427), (669, 121512), (732, 111054), (747, 108824), (892, 91134), (996, 81618), (1098, 74036), (1338, 60756), (1464, 55527), (1494, 54412), (1784, 45567), (1992, 40809), (2007, 40504), (2196, 37018), (2676, 30378), (2988, 27206), (4014, 20252), (4392, 18509), (5063, 16056), (5352, 15189), (5976, 13603), (8028, 10126)]