1279661075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1579}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 1984277760

約数和(自身を除く): 704616685

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 421, 1579, 1925, 2105, 2947, 4631, 7895, 10525, 11053, 14735, 17369, 23155, 32417, 39475, 55265, 73675, 86845, 115775, 121583, 162085, 276325, 434225, 607915, 664759, 810425, 3039575, 3323795, 4653313, 7312349, 16618975, 23266565, 36561745, 51186443, 116332825, 182808725, 255932215, 1279661075]

約数ペア:

[(1, 1279661075), (5, 255932215), (7, 182808725), (11, 116332825), (25, 51186443), (35, 36561745), (55, 23266565), (77, 16618975), (175, 7312349), (275, 4653313), (385, 3323795), (421, 3039575), (1579, 810425), (1925, 664759), (2105, 607915), (2947, 434225), (4631, 276325), (7895, 162085), (10525, 121583), (11053, 115775), (14735, 86845), (17369, 73675), (23155, 55265), (32417, 39475)]