641007088

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1292353}}^1$

素因数の和:1292392

約数の個数: 20

約数和(自身を含む): 1282015168

約数和(自身を除く): 641008080

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1292353, 2584706, 5169412, 10338824, 20677648, 40062943, 80125886, 160251772, 320503544, 641007088]

約数ペア:

[(1, 641007088), (2, 320503544), (4, 160251772), (8, 80125886), (16, 40062943), (31, 20677648), (62, 10338824), (124, 5169412), (248, 2584706), (496, 1292353)]