180972016

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{72043}}^1$

素因数の和:72208

約数の個数: 20

約数和(自身を含む): 352871512

約数和(自身を除く): 171899496

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 72043, 144086, 288172, 576344, 1152688, 11310751, 22621502, 45243004, 90486008, 180972016]

約数ペア:

[(1, 180972016), (2, 90486008), (4, 45243004), (8, 22621502), (16, 11310751), (157, 1152688), (314, 576344), (628, 288172), (1256, 144086), (2512, 72043)]