81048996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18919}}^1$

素因数の和:18953

約数の個数: 72

約数和(自身を含む): 247927680

約数和(自身を除く): 166878684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 18919, 37838, 56757, 75676, 113514, 132433, 170271, 227028, 264866, 321623, 340542, 397299, 529732, 643246, 681084, 794598, 964869, 1191897, 1286492, 1589196, 1929738, 2251361, 2383794, 2894607, 3859476, 4502722, 4767588, 5789214, 6754083, 9005444, 11578428, 13508166, 20262249, 27016332, 40524498, 81048996]

約数ペア:

[(1, 81048996), (2, 40524498), (3, 27016332), (4, 20262249), (6, 13508166), (7, 11578428), (9, 9005444), (12, 6754083), (14, 5789214), (17, 4767588), (18, 4502722), (21, 3859476), (28, 2894607), (34, 2383794), (36, 2251361), (42, 1929738), (51, 1589196), (63, 1286492), (68, 1191897), (84, 964869), (102, 794598), (119, 681084), (126, 643246), (153, 529732), (204, 397299), (238, 340542), (252, 321623), (306, 264866), (357, 227028), (476, 170271), (612, 132433), (714, 113514), (1071, 75676), (1428, 56757), (2142, 37838), (4284, 18919)]