78271792

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257473}}^1$

素因数の和:257500

約数の個数: 20

約数和(自身を含む): 159633880

約数和(自身を除く): 81362088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 257473, 514946, 1029892, 2059784, 4119568, 4891987, 9783974, 19567948, 39135896, 78271792]

約数ペア:

[(1, 78271792), (2, 39135896), (4, 19567948), (8, 9783974), (16, 4891987), (19, 4119568), (38, 2059784), (76, 1029892), (152, 514946), (304, 257473)]