90192865

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 128001024

約数和(自身を除く): 37808159

約数列:

[1, 5, 7, 35, 37, 185, 257, 259, 271, 1285, 1295, 1355, 1799, 1897, 8995, 9485, 9509, 10027, 47545, 50135, 66563, 69647, 70189, 332815, 348235, 350945, 487529, 2437645, 2576939, 12884695, 18038573, 90192865]

約数ペア:

[(1, 90192865), (5, 18038573), (7, 12884695), (35, 2576939), (37, 2437645), (185, 487529), (257, 350945), (259, 348235), (271, 332815), (1285, 70189), (1295, 69647), (1355, 66563), (1799, 50135), (1897, 47545), (8995, 10027), (9485, 9509)]