128520884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{18713}}^1$

素因数の和:18835

約数の個数: 24

約数和(自身を含む): 240512328

約数和(自身を除く): 111991444

約数列:

[1, 2, 4, 17, 34, 68, 101, 202, 404, 1717, 3434, 6868, 18713, 37426, 74852, 318121, 636242, 1272484, 1890013, 3780026, 7560052, 32130221, 64260442, 128520884]

約数ペア:

[(1, 128520884), (2, 64260442), (4, 32130221), (17, 7560052), (34, 3780026), (68, 1890013), (101, 1272484), (202, 636242), (404, 318121), (1717, 74852), (3434, 37426), (6868, 18713)]