289363528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{15307}}^1$

素因数の和:15469

約数の個数: 32

約数和(自身を含む): 578642400

約数和(自身を除く): 289278872

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 4726, 9452, 15307, 18904, 30614, 61228, 122456, 260219, 520438, 1040876, 2081752, 2127673, 4255346, 8510692, 17021384, 36170441, 72340882, 144681764, 289363528]

約数ペア:

[(1, 289363528), (2, 144681764), (4, 72340882), (8, 36170441), (17, 17021384), (34, 8510692), (68, 4255346), (136, 2127673), (139, 2081752), (278, 1040876), (556, 520438), (1112, 260219), (2363, 122456), (4726, 61228), (9452, 30614), (15307, 18904)]