78141328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157543}}^1$

素因数の和:157582

約数の個数: 20

約数和(自身を含む): 156283648

約数和(自身を除く): 78142320

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 157543, 315086, 630172, 1260344, 2520688, 4883833, 9767666, 19535332, 39070664, 78141328]

約数ペア:

[(1, 78141328), (2, 39070664), (4, 19535332), (8, 9767666), (16, 4883833), (31, 2520688), (62, 1260344), (124, 630172), (248, 315086), (496, 157543)]