28716248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 32869672

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 53, 88, 94, 106, 131, 188, 212, 262, 376, 424, 517, 524, 583, 1034, 1048, 1166, 1441, 2068, 2332, 2491, 2882, 4136, 4664, 4982, 5764, 6157, 6943, 9964, 11528, 12314, 13886, 19928, 24628, 27401, 27772, 49256, 54802, 55544, 67727, 76373, 109604, 135454, 152746, 219208, 270908, 305492, 326321, 541816, 610984, 652642, 1305284, 2610568, 3589531, 7179062, 14358124, 28716248]

約数ペア:

[(1, 28716248), (2, 14358124), (4, 7179062), (8, 3589531), (11, 2610568), (22, 1305284), (44, 652642), (47, 610984), (53, 541816), (88, 326321), (94, 305492), (106, 270908), (131, 219208), (188, 152746), (212, 135454), (262, 109604), (376, 76373), (424, 67727), (517, 55544), (524, 54802), (583, 49256), (1034, 27772), (1048, 27401), (1166, 24628), (1441, 19928), (2068, 13886), (2332, 12314), (2491, 11528), (2882, 9964), (4136, 6943), (4664, 6157), (4982, 5764)]