128771872

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{236713}}^1$

素因数の和:236740

約数の個数: 24

約数和(自身を含む): 268433676

約数和(自身を除く): 139661804

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 236713, 473426, 946852, 1893704, 3787408, 4024121, 7574816, 8048242, 16096484, 32192968, 64385936, 128771872]

約数ペア:

[(1, 128771872), (2, 64385936), (4, 32192968), (8, 16096484), (16, 8048242), (17, 7574816), (32, 4024121), (34, 3787408), (68, 1893704), (136, 946852), (272, 473426), (544, 236713)]