83891479

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 103420800

約数和(自身を除く): 19529321

約数列:

[1, 7, 19, 49, 133, 251, 359, 931, 1757, 2513, 4769, 6821, 12299, 17591, 33383, 47747, 90109, 233681, 334229, 630763, 1712071, 4415341, 11984497, 83891479]

約数ペア:

[(1, 83891479), (7, 11984497), (19, 4415341), (49, 1712071), (133, 630763), (251, 334229), (359, 233681), (931, 90109), (1757, 47747), (2513, 33383), (4769, 17591), (6821, 12299)]