128672456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{86011}}^1$

素因数の和:86045

約数の個数: 32

約数和(自身を含む): 278678880

約数和(自身を除く): 150006424

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 86011, 172022, 344044, 688088, 946121, 1462187, 1892242, 2924374, 3784484, 5848748, 7568968, 11697496, 16084057, 32168114, 64336228, 128672456]

約数ペア:

[(1, 128672456), (2, 64336228), (4, 32168114), (8, 16084057), (11, 11697496), (17, 7568968), (22, 5848748), (34, 3784484), (44, 2924374), (68, 1892242), (88, 1462187), (136, 946121), (187, 688088), (374, 344044), (748, 172022), (1496, 86011)]