25420168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 50700600

約数和(自身を除く): 25280432

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 409, 457, 818, 914, 1636, 1828, 3272, 3656, 6953, 7769, 13906, 15538, 27812, 31076, 55624, 62152, 186913, 373826, 747652, 1495304, 3177521, 6355042, 12710084, 25420168]

約数ペア:

[(1, 25420168), (2, 12710084), (4, 6355042), (8, 3177521), (17, 1495304), (34, 747652), (68, 373826), (136, 186913), (409, 62152), (457, 55624), (818, 31076), (914, 27812), (1636, 15538), (1828, 13906), (3272, 7769), (3656, 6953)]