81905456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{301123}}^1$

素因数の和:301148

約数の個数: 20

約数和(自身を含む): 168027192

約数和(自身を除く): 86121736

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 301123, 602246, 1204492, 2408984, 4817968, 5119091, 10238182, 20476364, 40952728, 81905456]

約数ペア:

[(1, 81905456), (2, 40952728), (4, 20476364), (8, 10238182), (16, 5119091), (17, 4817968), (34, 2408984), (68, 1204492), (136, 602246), (272, 301123)]