1338928

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{1249}}^1$

素因数の和:1324

約数の個数: 20

約数和(自身を含む): 2635000

約数和(自身を除く): 1296072

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 1249, 2498, 4996, 9992, 19984, 83683, 167366, 334732, 669464, 1338928]

約数ペア:

[(1, 1338928), (2, 669464), (4, 334732), (8, 167366), (16, 83683), (67, 19984), (134, 9992), (268, 4996), (536, 2498), (1072, 1249)]