16402638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{390539}}^1$

素因数の和:390551

約数の個数: 16

約数和(自身を含む): 37491840

約数和(自身を除く): 21089202

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 390539, 781078, 1171617, 2343234, 2733773, 5467546, 8201319, 16402638]

約数ペア:

[(1, 16402638), (2, 8201319), (3, 5467546), (6, 2733773), (7, 2343234), (14, 1171617), (21, 781078), (42, 390539)]