208875884

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 424919040

約数和(自身を除く): 216043156

約数列:

[1, 2, 4, 7, 14, 28, 127, 151, 254, 302, 389, 508, 604, 778, 889, 1057, 1556, 1778, 2114, 2723, 3556, 4228, 5446, 10892, 19177, 38354, 49403, 58739, 76708, 98806, 117478, 134239, 197612, 234956, 268478, 345821, 411173, 536956, 691642, 822346, 1383284, 1644692, 7459853, 14919706, 29839412, 52218971, 104437942, 208875884]

約数ペア:

[(1, 208875884), (2, 104437942), (4, 52218971), (7, 29839412), (14, 14919706), (28, 7459853), (127, 1644692), (151, 1383284), (254, 822346), (302, 691642), (389, 536956), (508, 411173), (604, 345821), (778, 268478), (889, 234956), (1057, 197612), (1556, 134239), (1778, 117478), (2114, 98806), (2723, 76708), (3556, 58739), (4228, 49403), (5446, 38354), (10892, 19177)]