1320160442896

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{201736009}}^1$

素因数の和:201736426

約数の個数: 20

約数和(自身を含む): 2564064687100

約数和(自身を除く): 1243904244204

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 201736009, 403472018, 806944036, 1613888072, 3227776144, 82510027681, 165020055362, 330040110724, 660080221448, 1320160442896]

約数ペア:

[(1, 1320160442896), (2, 660080221448), (4, 330040110724), (8, 165020055362), (16, 82510027681), (409, 3227776144), (818, 1613888072), (1636, 806944036), (3272, 403472018), (6544, 201736009)]