388989784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{28319}}^1$

素因数の和:28443

約数の個数: 32

約数和(自身を含む): 779932800

約数和(自身を除く): 390943016

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 136, 202, 404, 808, 1717, 3434, 6868, 13736, 28319, 56638, 113276, 226552, 481423, 962846, 1925692, 2860219, 3851384, 5720438, 11440876, 22881752, 48623723, 97247446, 194494892, 388989784]

約数ペア:

[(1, 388989784), (2, 194494892), (4, 97247446), (8, 48623723), (17, 22881752), (34, 11440876), (68, 5720438), (101, 3851384), (136, 2860219), (202, 1925692), (404, 962846), (808, 481423), (1717, 226552), (3434, 113276), (6868, 56638), (13736, 28319)]