204040028

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{127207}}^1$

素因数の和:127612

約数の個数: 12

約数和(自身を含む): 357963312

約数和(自身を除く): 153923284

約数列:

[1, 2, 4, 401, 802, 1604, 127207, 254414, 508828, 51010007, 102020014, 204040028]

約数ペア:

[(1, 204040028), (2, 102020014), (4, 51010007), (401, 508828), (802, 254414), (1604, 127207)]