16681730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128321}}^1$

素因数の和:128341

約数の個数: 16

約数和(自身を含む): 32337144

約数和(自身を除く): 15655414

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 128321, 256642, 641605, 1283210, 1668173, 3336346, 8340865, 16681730]

約数ペア:

[(1, 16681730), (2, 8340865), (5, 3336346), (10, 1668173), (13, 1283210), (26, 641605), (65, 256642), (130, 128321)]